Are you trying to find engine diagnostic tools among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!
We investigated and evaluated a number of the top-selling engine diagnostic tools on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 12 hours of research and did 19 engine diagnostic tools tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!
An overview of our top picks
Table of contents
The best engine diagnostic tools you can buy today
SaleNo. 1
MOTOPOWER MP69033 Car OBD2 Scanner Code Reader Engine Fault Scanner CAN Diagnostic Scan Tool for All OBD II Protocol Cars Since 1996, Yellow
- Multi-Functions - Practical Multi-Functions OBD2 code reader features built-in OBD2 DTC lookup library, which help you to determine the cause of the engine light, read code, erase code, view freeze frame, I/M ready, vehicle information, data flow, real-time curve, get vehicle speed information, calculate load value, engine coolant temperature, get engine speed.
- Wide Capability - Supports 9 protocols compatible with most 1996 US-Based, 2000 EU-Based and Asian cars, and newer OBD II & CAN domestic or import vehicles. Supports 6 languages - English,German, Dutch, Spanish, French, Italian.
- LCD Display - Designed with a clear display LCD screen (128 x 64 pixels) - white backlight and contrast adjustment. No need any battery or charger, OBD reader gets the power directly from your vehicle through the OBDII Data Link Connector.
- Compact Design - Car diagnostic scanner is equipped with a 2.5 feet long cable and made of a very thick flexible insulator.There are 6 buttons on OBD2 Scanner:scroll up/down,enter/exit and buttons that quick query VIN vehicle number& the DTC fault code.
- ABS / Airbag codes NOT Supported - It is able to read and clear check engine information which is part of OBDII system, but it cannot work with non-OBDII systems, including ABS / Airbag / Oil Service Light, etc.
SaleNo. 2
ANCEL AD310 Classic Enhanced Universal OBD II Scanner Car Engine Fault Code Reader CAN Diagnostic Scan Tool-Black
- CEL Doctor: The ANCEL AD310 is one of the best-selling OBD II scanners on the market and is recommended by Scotty Kilmer, a YouTuber and auto mechanic. It can easily determine the cause of the check engine light coming on, quickly read and clear diagnostic trouble codes, read live data & hard memory data, view freeze frame, I/M monitor readiness and collect vehicle information. Instead of taking car to mechanic shop, you can use it to check the trouble code and show code definition by yourself.
- Sturdy and Compact: Equipped with a 2.5 foot cable made of very thick, flexible insulation. It is important to have a sturdy scanner as it can easily fall to the ground when working in a car. The AD310 OBD2 scanner is a well-constructed device with a sleek design. It weighs 12 ounces and measures 8.9 x 6.9 x 1.4 inches. Thanks to its compact design and light weight, transporting the device is not a problem. The buttons are clearly labelled and the screen is large and displays results clearly.
- Accurate Fast and Easy to Use: The AD310 scanner can help you or your mechanic understand if your car is in good condition, provides exceptionally accurate and fast results, reads and clears engine trouble codes in seconds. If you want to find out the cause of the check engine light, this device will let you know immediately and fix the problem right away without any car knowledge. No need for batteries or a charger, get power directly from the OBDII Data Link Connector in your vehicle.
- OBDII Protocols and Car Compatibility: Many cheap scan tools do not really support all OBD2 protocols. This is not the case with the AD310 scanner as it can support all OBDII protocols such as KWP2000, J1850 VPW, ISO9141, J1850 PWM and CAN. This device also has extensive vehicle compatibility with 1996 US-based, 2000 EU-based and Asian cars, light trucks, SUVs, as well as newer OBD2 and CAN vehicles both domestic and foreign. Check compatibility with your vehicle model before purchasing.
- Home Necessity and Worthy to Own: This is an excellent code reader to travel or home with as it weighs less and it is compact in design. You can easily slide it in your backpack as you head to the garage, or put it on the dashboard, this will be a great fit for you. The AD310 is not only portable, but also accurate and fast in performance. Moreover, it covers various car brands and is suitable for people who just need a code reader to check their car.
SaleNo. 3
OBD2 Scanner Color Screen Live Data: Easy Set up Reset Clear Engine Error Code Plug&Play Upgraded Indicator Light Test Voltage/EVAP/O2 Sensor Diagnostic Scan Tool for All Cars Since 1996,AMTIFO W4
- Vehicle CEL Doctor: The W4 obd2 scanner allows you to read fault diagnostic codes, access electronic readiness status, turn off the CEL (Check Engine Light) or MIL, reset monitors, read real-time data, and retrieve the vehicle's VIN.
- Multi-functionality: The practical obd2 scanner diagnostic tool is equipped with a built-in OBD2 DTC database to help you identify reasons for the engine light, read and clear codes, test car voltage, query fault code information, view freeze frame data, check I/M readiness, access data stream and playback functions, view real-time curves, read vehicle information, obtain speed data, calculate load value, and monitor engine coolant level.
- Plug and play: Simply locate the OBD port below your steering wheel to easily connect to our obd2 scanner for a fast and stable connection that won't disconnect. The user interface is user-friendly, making it easy for beginners to use. You can conveniently use this car code reader at home, in the garage, at car rental companies, auto repair shops, or on the road. This car scanner is also an excellent gift for those who need to diagnose vehicle issues.
- Your car assistant: The W4 code readers & scan tools is the ideal choice for self-maintenance and household use, saving on maintenance costs and monitoring vehicle health. It can assist in repairs, test drives, pre-diagnosing engine light issues, and checking performance data. Both DIY mechanics and professionals in the automotive industry can utilize this code reader effectively. With support for 9 protocols, this car diagnostic scanner is compatible with most American cars from 1996, EU cars from 2000, Asian cars, as well as newer OBD II and CAN domestic or imported vehicles.
- Premium Materials and Color Screen: This device revolutionizes the traditional concept of scanner for car by featuring a stylish 2.8-inch IPS color display screen, offering a comfortable handheld experience. Additionally, it is constructed with the latest PV material, ensuring durability with resistance to high temperatures and impact.
- Perfect Design: The car scanner diagnostic for all cars is equipped with a 2.5-foot long cable made of highly durable flexible insulation material. The AMTIFO W4 obd2 scanner features 4 buttons: up/down scrolling, enter/exit, and three warning lights (green light: vehicle detection support; yellow light: indicates vehicle malfunction; red light: product powered normally), allowing for quick status comprehension.
- Warranty and Service: Benefit from a two-year warranty and 100% satisfaction guarantee. If you are unsatisfied with the code reader, please contact AMTIFO's 24-hour customer service team for easy returns and refunds. Save your money and time.
No. 4
OBD2 Scanner Diagnostic Tool, Check Engine Code Reader OBD2 Scanner with Reset, Mode 6, Mode 8 & I/M Readiness, Auto Check Engine Light Car Diagnostic Scan Tool for All OBDII Car Since 1996
- đăProfessional OBD2 Scanner Diagnostic Tool with Powerful Functionsă:OBD2 scanner code reader feature built-in 35901 OBD2 DTCs lookup library, As professional car scanner, the obd2 scanner diagnostic tool will help you to determine the cause of the engine light,đread I/M readiness, đRead & clear codes, đĄturn off engine light or MIL, âview freeze frame, đretrieve vehicle VIN, đbattery voltage test, đlive data stream,O2 sensor test, onboard monitoring mode, and perform component testing etc
- đăOBD2 Scanner Built-in 35,901 DTC Lookupă The OBD2 scanner car code reader built-in 35,901 DTCs, other obd2 scanner diagnostic tool usually only have 3,000-10,000.the OBD2 Scanner of DTC library covers tens of thousands detailed fault code definitions that will quickly determine the fault cause and the potential problems before they cost you a fortune.you don't need to google the meaning of each fault code.If you are looking to replace a car code reader, this code reader is an excellent option
- â ăOBD2 Diagnostic Scanner Tool Compatible with 98% Vehicles And 10 Languagesă The code reader OBD2 scanner for cars is designed to be compatible with most vehicles manufactured after 1996 US-Based, 2000 EU-Based and Asian cars. If your car has a 16-pin OBD2 port and was produced within the specified timeline, it should be compatible with the code reader and the obd2 scanner diagnostic tool support languages: English, French, Spanish, German, Russian, Italian, Portuguese, Dutch, Japanese, Chinese
- đăCar Scanner Diagnostic offers Convenient Data PrintingăThe code reader for car offers advanced features such as live data and DTC replay combined with printing function, Connect the OBD2 scanner to your computer to easily print fault data, empowering you to prevent random charges at car repair shops and save valuable time and money. Additionally, WEJOWE offer lifetime free upgrades for the device, ensuring you always have access to the latest features and improvements.
- đŻăSuper Compact & What You Will Getă The OBD2 scanner tool is easy to carrying and storage,With each package, you will receive a canvas storage bag for convenient storage and a Type-C cable to connect to your computer.And we offer 60-day return policy and 3-year replacement service, ensuring your satisfaction and peace of mind.
SaleNo. 5
FIXD Bluetooth OBD2 Scanner for Car - Car Code Readers & Scan Tools for iPhone & Android - Wireless OBD2 Auto Diagnostic Tool to Check Engine & Fix All Cars & Vehicles â96 or Newer (1 Pack)
- EASY-TO-USE OBD2 APP & CAR CODE READER - The FIXD car scanner and OBD app instantly translates 7000+ engine fault codes into plain English on your phone. Wireless Bluetooth connection. Set up in minutes. No car knowledge needed.
- FIND OUT WHATâS WRONG WITH YOUR CAR - Even beginners can use the FIXD OBD2 scanner and app to find out what the check engine light means, how serious it is, and possible fixes before going to the repair shop. You can even clear the check engine light, saving time and money.
- SAVE MONEY & AVOID RIP-OFFS - Walk into the repair shop confident with the accurate info you need to save on car repair. The FIXD car scanner and OBD2 app provides helpful how-to guides and video tutorials so you can save with DIY repairs.
- FIXD WORKS WITH YOUR CAR - FIXD OBD2 reader is compatible with all gas-powered vehicles made in 1996 or newer and all diesel vehicles 2008 or newer. Perfect diagnostic scan tool for Toyota, Honda, Chevrolet, Ford, Mercedes-Benz, Jeep, BMW, Porsche, Subaru, Nissan, Cadillac, Volkswagen, Lexus, and more. Compatible with iPhone, iPad, & Android.
- KNOW WHEN ITâS TIME FOR YOUR NEXT OIL CHANGE - FIXD is the only car code scanner that also tracks maintenance and wear items and automatically notifies you when your car is due for service.
- PROTECT THE WHOLE FAMILY - Connect one or more FIXD OBD code readers to your vehicles to monitor the whole fleet from one account. See battery voltage, get notified about car problems, schedule service appointments, & more from your iPhone or Android device.
- VIEW LIVE CAR DATA - Monitor the health of your vehicle in real time. See O2 sensor voltage, vehicle speed, fuel trims, & more on your phone, for a fraction of the cost of an expensive OBD scanner.
- UPGRADE YOUR SENSOR - FIXD Premium members can also talk to a certified mechanic about car care questions and DIY repairs, get guaranteed cost estimates for repairs, & much more. This subscription is optional and not required to use the OBD2 scanner or free app.
SaleNo. 6
FOXWELL Car Scanner NT604 Elite OBD2 Scanner ABS SRS Transmission, Check Engine Code Reader,Diagnostic Scan Tool with SRS Airbag Scanner, Car Diagnostic Scanner for All Cars with Battery Test
- đăEasy to Use--Work out of boxă+ăFOXWELL 2024 New Versionă FOXWELL NT604 Elite scan tool is the 2024 new version from FOXWELL, which is designed for those car owners who want to figure out the cause issue before fixing the car problem via scanning the most common systems like abs srs engine and transmission.The NT604 Elite diagnostic tool comes with latest software, which can be used out of box. No need to waste time to download the software first.
- đ ăAffordableă+ăReliable Car Health Monitoră Will you be confused what happen when the warning light of abs/srs/transmission/check engine flashes? Instead of taking your cars to dealership, this foxwell scanner will help you do a thorough scanning and detection for your cars and pinpoint the root cause. It will t-urn off the warning light car after the problem is fixed.đTIPS: Airbag crash/collision data can NOT be cleared even you replace the new airbag.
- đă5 in 1 Diagnostic ScannerăCompared with those auto scanners (50-100), NT604 Elite code scanner not only includes their OBDII diagnosis but also it can be an abs/srs scanner, transmission and check engine code reader. When itâs an odb2 scanner, you can use it to check if your car is ready for annual test through I/M readiness menu. In addition, live data stream, built-in DTC library, data play back and print, all these features are a big plus for it.
- đ ăFantastic AUTOVINă+ăNo extra software feeăThrough the AUTOVIN menu, this NT604 Elite car scanner allows you to get your V-IN and vehicle info rapidly, no need to take time to find your V-IN and input one by one. What's more, the NT604 Elite abs srs scanner supports 60+ car makes from worldwide (America/Asia/Europe). You donât need to pay extra software fee.
- đăSolid protective case KO plastic carrying bagă+ ăLifetime updateăAlmost all same price-level obd scanner diagnostic tool only offers plastic bag to hold on the scanner.However, NT604 Elite automotive scanner is equipped with solid protective case, preventing your obd2 scanner from damage. Then you donât need to pay extra money to buy a solid toolbox.
SaleNo. 7
FOXWELL NT301 OBD2 Scanner Live Data Professional Mechanic OBDII Diagnostic Code Reader Tool for Check Engine Light
- [Vehicle CEL Doctor] The NT301 obd2 scanner enables you to read DTCs, access to e-missions readiness status, turn off CEL(check engine light) or MIL, reset monitor, read live data and retrieve VIN of your vehicle.
- [Accuracy & Streams] Live data graphing and logging. Accurately read error codes for most Worldwide cars, SUVs, light trucks and 12V diesels equipped with Obd2. Graphing live vehicle sensors data allows you to focus on any suspicious data and trend.
- [Worthy to Own] Recommended by most professional mechanics on Youtube. Codes analysis and Printer compatible. Unique PATENTED design, 2.8" color screen, F-ree Lifetime Update and 1-year seller assurance with EXCLUSIVE tech and service team.
- [S-mog Check Helper] Read/Erase and I/M readiness hotkeys make it easy to use the car computer reader right out of the package. Red-Yellow-Green Leds and build-in speaker indicate the readiness status for confident e-missions test.
- [Home Necessity] Open to global customers. No battery required, NT301 obd scanner is charged directly from the 16pin DLC in your vehicle. It is recommended as a necessity in your toolbox and great choice for Home and Autoshop Mechanics.
No. 8
Zmoon OBD2 Scanner Diagnostic Tool, Vehicle Check Engine Code Readers with Reset & I/M Readiness & More, Car OBDII/EOBD Diagnostic Scan Tool for All Vehicles After 1996
- đCar Diagnostic Scanner with Full OBD/EOBD Function â â Read codes and clear codes, â 10000+ error codes available for query, â viewe freeze frame, â I/M readiness and historical I/M Data, â live data stream and live curve (car speed, battery voltage etc. ), â car information reading, â oxygen sensor test, â EVAP test, â calculate load value, â engine coolant temperature, â get engine speed. It has all the OBD functions you need.
- đ±2.8'' HD Color Screen â Compared with traditional OBD scanners, Zmoon 2.8'' HD color check engine code reader displays more and richer content, which will not cause eye fatigue after long-term use. And the body design is very suitable for one-handed holding.
- đCompatible with Most Vehicles & 7 Languages Available â OBDII/EOBD car scanner diagnostic for all American cars after 1996, European cars after 2002, Asian cars after 2008. Supports English, Spanish, French, German, Italian, Russian and Dutch.
- đPlug and play: Directly powered by the car, even beginners can quickly master and use the car code scanner proficiently. No need to download APP, it is more accurate and stable than the wireless bluetooth code reader! And there are 3 statu lights on the device to remind you if your car is faulty, which is very friendly to beginners.
- đ§Worry-Free After-Sales Service: Zmoon OBD car scanner diagnostic tool has 30 days return policy and extended 3 years warranty! 7*24 hours customer service, if you have any dissatisfaction or questions, you can send us a message in the background, we will reply quickly within 24 hours.
No. 9
Aorika Professional OBD2 Scanner Diagnostic Tool Car Check Engine, Enhanced Check Engine Code Reader with Reset OBDII/EOBD Car Diagnostic Scan Tools, for All Vehicles After 1996
- â [Professional OBD2 Scanner Diagnostic Tool]--The OBD2 scanner can fully diagnose the car's data. It can determine the cause of the engine light, read code, erase code, turn off engine light or MIL, view freeze frame, I/M ready, retrieve vehicle VIN, car battery voltage reading, live data stream (with graphing display), built-in 35901 DTCs, O2 sensor test, onboard monitoring mode, and perform component testing etc.
- â [Save Money & Time]--The car diagnostic scanner can quickly diagnose your car at any time, reading and clearing fault codes that may be causing vehicle emission problems in seconds. It helps you detect potential problems and avoid unnecessary excessive repair costs. We recommend that when you find a fault code, please fix the problem before clearing the code.
- â [Compatibility]--Our OBD2 Scanner Diagnostic Tool for car is compatible with most cars after 1996(USA)/2002(EU)/2008(Asia). If your car has an OBD2 port (16Pin), and the production time meets the above timeline, then your vehicle is compatible. But it is not compatible with new energy vehicles, hybrid vehicles, and models that do not comply with the OBD2 protocol. It supports 10 languages - English, Chinese, German, French, Spanish, Italian, Russian, Dutch, Japanese and Portuguese.
- â [35901 DTCs Queries & Cloud Print]--This car code reader built-in 35901 DTCs, the old model obd2 usually only have 3000-10000. So it means that this obd2 scanner can help diagnose and solve your vehicle faults better. Live data and DTC replay combined with CLOUD PRINTING function, you can use the cloud printing function to print fault data, prevent auto repair shops from charging randomly, save money and time.
- â [Dual UI Modes]--This car diangostic tool has 2.8-inch color smart LED screen, which allows you to choose between dark and light modes and adjust the brightness according to your preference. The red light indicates a red failure, the yellow light indicates that the connection is not possible, the green light indicates that the connection is successful.
- â [Shortcut Keys]--Press âDTC"--One-click query fault codes, press "I/M"--I/M ready status, press "BAT"--Battery voltage, press "EXIT"--Return to/exit, press "OK"--Confirm. And "Up/Down/Left/Right" navigation shortcut keys make operation more convenient.
- â [What You can Get]--One OBD2 Scanner Diagnostic Tool, one manual and permanent after-sale service. Plug & Play, no battery or charger required. For any questions or concerns, please feel free to contact us.
SaleNo. 10
TOPDON TopScan OBD2 Scanner Bluetooth, Bi-Directional Scanner Wireless All System Diagnostic Tool for iOS & Android, 8+ Hot Reset, Repair Guides, Check Engine Car Code Reader, Performance Test
- Bi-directional Control, Quickly Locate Problems: The bi-directional scan tool enables you to send commands from your smartphone directly to the vehicle's ECU for active testing. This feature helps to quickly narrow down problem areas, such as A/C clutch, windows, doors, sunroof, etc., reducing the mechanic's diagnostic time and can help DIY users locate faults more easily. Additionally, TopScan Lite provides fault analysis and repair guidance, helping you solve problems efficiently.
- 8+ Popular Functions, Full System Diagnosis: TopScan Lite supports OBD2 full system diagnosis functions, including read/clear codes, ECU information,AUTO VIN, viewing real-time data, and active tests. It offers 8+ reset functions: Oil Reset, Throttle Adaptation, EPB Reset, Steering Angle Reset, DPF Regeneration, ABS Bleeding, BMS Reset, and Airbag Reset. By these functions, you can save on unnecessary repair costs and reduce repair times significantly.
- Diagnostic Tool Subscription Fee: The first year updates with no fee, the subscription fee for the second year is $49.99/year for all applicable vehicle models and all features, such as system diagnostics, reset services, action tests, performance tests, repair guides, and more. You can purchase the 'Diag Bundle' to gain access for the second year, which can be done through the app. Note: You do not need to purchase the Diag Bundle in the first year, the first year is no charge.
- Performance Testing: Always Know Your Vehicle's Condition, TopScan Lite supports speed performance testing, allowing you to analyze speed changes and calculate engine displacement efficiency,the higher the VE volumetric efficiency, the better the power output performance of the engine.
- 4- Repair Guides, Your Online Assistant: TopScan Lite has launched 4 functions that are most touching for all car owners, DIY enthusiasts, and mechanics: TSB factory technical bulletins, easier and more convenient search. The OBD common fault code repair guidance, leading you to solve problems quickly. DLC diagnostic seat location, quickly positioning. Fault code database, telling you the reasons and solutions for all fault lights, saying goodbye to complicated methods.
- Vehicle Coverage Lookup: Are you unsure whether the TopScan Lite scanner tool is compatible with your family's or friends' car models? We've got you covered! With the convenient TopScan Lite scanner compatible vehicle model table query function, you can easily verify compatibility with a single click. No more guesswork or uncertainty, get the answer Immediately.
- Bluetooth Quick Pairing in Seconds: With the upgraded 5.0 Bluetooth system, TopScan Lite ensures a faster connection, eliminating the hassle of wires.The bluetooth pairing process needs to be completed in the application (IOS: TOPGURU&Android: TopScan). you can download our app from APP Store and Google play. (Tips: Cannot support 32-bit cell phones}
- More Personalization, Wide Car Compatibility: The 4-in-1 Data Stream function offers multiple display modes (graphs, numbers, dials) for easier data reading and comparison. One-click online upgrades ensure you always have the latest features. TopScan Lite diagnostic tool supports 70+ car brands and covers 10,000+ vehicle models. If you have any problems, please reach out to us at [email protected] and can also call us directly: US phone service 833-956-8335, Mon-Fri 9:00Am-18:00Pm Eastern time.
- Note: If you're unsatisfied and choose to return the scanner, please damage the packaging and mark it as not for resale to prevent it from being resold to other customers. Thank you.
No. 11
YAKEFLY OBD2 Scanner Diagnostic Tool,Car OBD2 Scanner Code Reader Engine Fault Code Reader Scanner,Vehicle Check Engine Light Scan Tool, Car OBDII/EOBD Diagnostic Scan Tool for All Vehicles After 1996
- [Multi Functional Vehicle Diagnostic Instrument] This is a multifunctional vehicle diagnostic tool that includes: car diagnostic scanner, reading and clearing codes, over 10000 error codes available for query, view freeze frames, I/M readiness and historical I/M data, real-time data streams and curves (vehicle speed, battery voltage, etc.), car information reading, oxygen sensor testing, evaporative emission testing, calculating load values, engine coolant temperature, etc, Obtain engine speed.
- [High Quality Product] The OBD2 scanner is made of high-quality materials, with stable performance, safety, and more accurate detection results. It has all the OBD functions you need. English, Spanish, French, German, Italian, Russian and Dutch are supported. Compared to traditional OBD scanners, the Zmoon 2.8 inch high-definition color check engine code reader displays more and richer content, and long-term use will not cause eye fatigue.
- [Compact Design] The body design of the vehicle code reader is compact and practical, making it very suitable for single handed grip. The body is compact and easy to store or store in the drawer of the drilling rig or toolbox. Easy to access at any time.
- [Plug and Play] Car OBD2 scanner plug and play. No need to download an app, more accurate and stable than a wireless Bluetooth code reader! If your car has a malfunction, there are three status lights on the device to remind you, which is very friendly for beginners.
- [Applicable] Car scanner diagnosis is applicable to all American cars after 1996, European cars after 2002, and Asian cars after 2008.
No. 12
YAKEFLY Universal OBD2 Scanner,Car Engine Fault Code Reader CAN Diagnostic Scan Tool Scanner Diagnostic Tool,Car Scanner Vehicle Engine CodeïŒto Check Engine Light.
- [Accurate and Fast] The obd2 scanner diagnostic tool can help you or your mechanic understand whether your car is in good condition, provide extremely accurate and fast results, and read and clear the engine fault code within a few seconds.
- [Compact Design] The car diagnostic scanner is equipped with a 2.5-foot long cable made of very thick flexible insulator. There are six buttons on the OBD2 scanner: scroll up/down, enter/exit, and quickly query the VIN vehicle number and DTC fault code.
- [Plug and Play] The vehicle inspection engine code reader is designed with a clear LCD screen (128 x 64 pixels), which is powered directly by the vehicle without any battery or charger. Even beginners can master and use the vehicle code scanner skillfully. There is no need to download the APP. It is convenient to use, which is very friendly for beginners.
- [Necessary for Car Owners] The OBD2 scanner for car is light and portable. You can easily put it in your backpack or on the dashboard to facilitate your use at any time. It is a very practical necessity for car owners.
- [Extensive Functions] The auto engine fault code reader supports 9 protocols compatible with most of the 1996 U.S., 2000 European Union and Asian cars, as well as the updated OBD II and CAN domestic or imported vehicles. Support 6 languages - English, German, Dutch, Spanish, French, Italian.
SaleNo. 13
![AUTOPHIX OBD2 Scanner Enhanced OM126P Vehicle Code Reader Auto Diagnostic Scan Tool Check Engine Light Read/Erase Fault Code Smog Test for All OBDII Cars After 1996[Upgrade Version]](https://m.media-amazon.com/images/I/51itBrte7kL.jpg "The 8 Best engine diagnostic tools of %currentyear% 39")
AUTOPHIX OBD2 Scanner Enhanced OM126P Vehicle Code Reader Auto Diagnostic Scan Tool Check Engine Light Read/Erase Fault Code Smog Test for All OBDII Cars After 1996[Upgrade Version]
- đAUTOPHIX 126 is compatible with Toyota, Ford, Chevrolet, Honda, Nissan, Jeep, Hyundai, Kia, Ram, Subaru, and so on.
- đâ€ăPOWERFUL FEATURESăBuilt-in 14 special functions in 1 car reader, read and erase stored e-mission related codes, pending codes, and show code definitions, data steam, freeze frame, on-board monitoring, and show the vehicle information, I/M reading, review the recorded DTC, review & print report. Support EVAP system test, let you initiate a leak test for the vehicle's EVAP system, identify troubleshooting related to fuel efficiency and vehicle e-missions.
- đâ€ăPROFESSIONAL CHECKING CAR ENGINE TOOLăThe OM126P Enhanced OBDII scanner can read and erase the trouble codes that can cause e-mission problems in your vehicle in seconds, determine check engine light the MIL (check your car engine) and reset the monitor, build a DTC lookup library you can find the related code definitions to help you determine if your car needs repair, to save you time and money, and dramatically improve your car lifespan/performance.
- đâ€ăPROVIDE COMPREHENSIVE DATA FOR YOUăThe OM126P can comprehensively diagnose data from your car, displaying graphical data streams: calculated load values, engine coolant temperature, intake manifold absolute pressure, vehicle speed, intake air temperature, air flow sensor, engine sp,eed etc, OM126P also supports data comparison, allowing you to easily diagnose vehicle conditions and know every parameter of the freeze frame: DTCFRZF, FUELSYSA, ETC, SHRTFT1, LONGFT1, MAP, RPM, VSS, IAT....etc
- đâ€ăHD COLOR SCREEN AND EFFICIENT HOT-KEYSăThe OM126P car diagnostic tool is equipped with 2.4" TFT 262K true color LCD display screen to indicate the test results, with the silicone keypad you can easy to access each menu option, the I/M Readiness hotkey can check the state e-missions readiness and drive cycle verification, Also, a wealth of car information is retrieved to find out all about your car without hassle for recording, car tracking, buying matched parts, etc.
- đâ€ăSTRONG COMPATIBILITY AND MULTIPLE LANGUAGESă Work on all after 1996 and newer vehicle models in the USA(OBD II&CAN) or other imported vehicles. Quickly read and erase the DTC on all OBD II protocols vehicles: CAN, J1850 PWM, J1850 VPW, ISO9141 and KWP2000 and support for 10 languages: English, French, Spanish, German, Russian, Italian, Finnish, Portuguese, Polish, Dutch, which make it easy to use for people from different countries.
- đâ€ăCOMFORT ERGONOMIC DESIGNăUnique black shell grip gives a firm and secure user experience. The compact appearance design makes it easy to keep in your rig or in a toolbox drawer. Hard rubberized feel skin lets this scanning tool more textured. All these features have AUTOPHIX OM126P stand out among other obd car code readers.
- đâ€ă5 YEARS WARRANTYă This diagnostic scan tool provides 5 years warranty and 60-DAY FREE returns for refund or replacement. Pl-ug & Play, no battery or charger required. OM126P OBDII diagnostic scan tool supports a lifetime free software updating and Review & Print diagnostic reports from the Auto fix, via connection to a computer via USB (for Windows 7/8/10 ONLY), if you cannot confirm its compatibility, please feel free to consult us.
No. 14
OBD1 Paperclip Diagnostic Tool Tee Check Engine CEL
- Do you love street racing, hot rod, motorcycle, JDM, go fast, autocross, drift, import tuner, mini truckin, lowrider, muscle car, classic cars, hot hatch, time attack, drag race, motorsport, truck van SUV, stock modified, drifting, stance, RWD FWD AWD fun?
- Cool trendy garage apparel w/ awesome retro vintage distressed graphic. Great birthday present christmas father's day gift for family collector fan mechanic enthusiast petrolhead, gearhead, boost, time attack, 4x4, utv, camber, turbo, daily driver, gas oil
- This premium t-shirt is made of lightweight fine jersey fabric
- Fit: Menâs fit runs small, size up for a looser fit. Womenâs fit is true to size, order usual size.
No. 15
Autel OBD2 Scanner MS309 Universal Car Engine Fault Code Reader, Check Engine Light and Emission Monitor Status, OBDII CAN Diagnostic Scan Tool
- đ„ăOn-Screen DTC Definition, Save Time & Easy To UseăAutel MS309 OBD2 code reader with UPGRADED CHIP to retrive and clear generic(P0, P2, P3 and U0), manufacturer-specific(P1, P3 and U1) and pending codes, and display DTCs(Diagnostic Trouble Codes) meanings under the codes based on the built-in database(more than 3000 codes). Don't need to spend much time to search meanings on the internet. This advanced plug-and-play MS309 scanner saves you time - a must-have obd2 scanner for each car owner.
- đ„ăRetrieve Freeze Frame Data &Vehicle infoăThe more specific the information available, the clearer the problem. The OBD2 scanner MS309 can retrieve freeze frame data, including important engine parameters like RPM, fuel pressure, fuel trim, engine coolant temperature, etc. Also it can retrieve Vehicle Information such as VIN number, Calibration ID(s), Calibration Verification Nos. (CVNs), etc, which is useful to check whether the ECU matches when you are buying a used car.
- đ„ăRead Codes & Clear CodesăKnowing the codes in advance will brace you for the repair cost estimate so that you won't be fooled and get overcharged by the repair shop.This Autel MaxiScan MS309 obd2 scanner scans OBD2-compliant vehicle Diagnostic Trouble Codes (DTCs) in seconds to pinpoint emission-related issues. The little guy can do many basic but necessary works: read/clear codes, view DTC definition, turn off check engine light, check I/M Readiness status, retrieve freeze frame data and vehicle info.
- đ„ăTurn Off Check Engine LightăWhen your car detects an emission related problem, Check Engine Light will be turned on. Do you want to spend hundreds of dollars to turn off this light every time, maybe it's just a gas cap that's not tightened or needs to change bad parts like spark plugs and ignition coils? With Autel MS309 scan tool, you can read code to quickly find out why the check engine light is on and reset it.
- đ„ăReady For Annual Smog CheckăIf the OBD II Readiness Monitors on your car are not âReadyâ, your car may fail the smog check. MS309 OBD2 scanner can retrieve I/M Readiness status to check the monitors like misfire monitor, fuel system monitor, comprehensive components monitor, catalyst monitor, O2 sensors, EVAP, etc, to help your car ready pass the annual smog check. That way you won't waste time and money on a failed smoke check.
- đ„ăWorks on 99% VehiclesăAutel MaxiScan MS309 compact pocket code reader supports all OBD2 protocols: KWP2000, ISO2000, ISO9141, J1850 VPW, J1850 PWM and CAN. This OBD2 code scanner is compatible with 99% OBDII-Compliant vehicles, passenger cars or light trucks. For OBD2 cars, usually, post 1996 for US market, post 2006 for EU market and post 2009 for Asian market.
- đ„ăNo-Worry PurchaseăAutomotive OBDII scan tool MS309 comes with a 12-month warranty and free lifetime technical support. If you need any technical support, please feel free to contact us at đautelofficial @ outlook . comđ. NOTE: It does not support the full engine system, if need, pls consider ML629/ MK808BT, etc.
No. 16
ANCEL FX2000 OBD2 Scanner Diagnostic Tool, ABS SRS Transmission Airbag Car Scanner, Check Engine Car Code Reader, Automotive Scan Tool for All Cars
- đ§ăPLUG AND PLAY - EASY TO USEă : ANCEL FX2000 car scanner only takes 3 steps to connect to the car for diagnosis without cumbersome operations. The latest FX2000 scan tool is equipped with a one-key diagnosis function, which can automatically identify the model and year of your car, and automatically diagnose the car. Even beginners can use it to read the data and find out what the fault codes mean.
- đăFULL OBD-LEVEL DIAGNOSTICS TOOLă: Quickly determines the cause of engine system faults, reads current, permanent and pending codes. After the repair, clears the codes and turns off the warning light. In addition, the FX2000 engine code reader also displays important OBD II advanced data such as fuel, live data and other manufacturer-specific parameters in real time to ensure that the engine ECU is operating correctly and safely, saving vehicle owners a lot of time and money in maintenance.
- đăTRANSMISSION FAULT DIAGNOSTIC TOOLă: Some noises come from the transmission? Ancel obd2 scanner will read fault codes, display live transmission system data (fluid temperature, fluid pump, clutch actuation, pressure, etc.), and ensures transmission performance is optimal for vehicle speed and load. It provides detailed TCM data of the vehicle, so you can quickly and accurately find existing or potential problems.
- đăFIND OUT SRS WRONGă: ANCEL FX2000 automotive scanner is able to read and clear fault codes in the SRS (airbag) and turn off the warning light to make sure the system is working correctly and safely. This odb2 scanner also displays a live graphical data stream of the supplemental restraint system (air bag), which allows you to analyze and verify that the air bag system is working properly.
- đăABS OBD2 SCANNERă:The FX2000 diagnostic scanner for all vehicles can read and clear the Diagnostic Trouble Codes (DTC) data stream transmitted from the ABS. By retrieving the ABS code data, the obd scanner can check the various brake components and accurately diagnose problems.
- đăVIEW LIVE CAR DATAă: FX2000 scanner for car can quickly display data from a live view of vehicle sensors in test and graph formats, including ECU reports and auto VIN as well as data streams for engine, transmission, ABS, SRS(airbag) and generating a variety of diagnostic reports for the vehicle. With the help of the graphical display, data logging, and DTC tips and repeats, users can determine the cause of a variety of trouble codes much faster.
- đăFX2000 WORKS WITH YOUR CARă: The FX2000 automotive scan tool is capable of accurately monitoring and diagnosing problems on over 60 different makes of cars and more than 10,000 different types of vehicles, including most US vehicles from 1996 onwards, EU vehicles from 2002 onwards, Asian vehicles from 2005 onwards or newer OBDII and CAN vehicles both domestic and foreign. This compatibility will vary from different year and model. To confirm it, you can ask Q&A if needed.
- đăEXCELLENT EXPERIENCEă: With a user-friendly UI, compact design, and an affordable price, the FX2000 car computer diagnostic tool is an ideal tool for both DIYers and mechanics. This scanner is suitable for both beginners and professionals as it displays the test results on the 4.0" TFT 262K true color display LCD and the data is very easy to understand. No car knowledge required. With FX2000 scanner, you can clearly read and understand the information that the device displays.
- đăLIFE-TIME FREE UPDATE & 5 YEARS WARRANTYă: The FX2000 car reader supports lifetime free software upgrades, new parameters, functions and the latest vehicle data are constantly updated via the USB2 port over the Internet. We provides 5 Years warranty, 60 Days No-Reason-asked Return for refund. And there is a 7/24 technical support.
SaleNo. 17
OBD2 Scanner Clear Reset Engine Alert Code - Plug and Play Easy to Setup Use Professional Code Reader Scan Diagnostic for Cars Since 1996 with Freeze Frame/I/M Readiness - LeeKooLuu LK11
- ăAuto OBDII Scanner Diagnostic ToolăThis plug-and-play car code reader and clears codes with ease. It retrieves generic code and displays DTC definitions to quickly identify engine related fault code, easily find out what caused.
- ăBroad CompatibilityăOBD2 scanner diagnostic tool is compatible with all OBD II and CAN Compliant vehicles, including passenger cars and light trucks dating back to post-1996 in the US, post-2000 for EU-based and Asian cars. Please note that it is not suitable for new energy or hybrid vehicles.Supports multilingual - including English,German, Dutch, Spanish, French, Italian etc.
- [I/M Ready Function] Car diagnostic scanner is used to check whether the status of the I/M function is ready.
- ăFreeze Frame Date For Accurate Fault DiagnosisăOBD2 scanner features a viewing freeze frame function, which retrieves data recorded in the ECU of the condition under which the fault occurs. This feature quickly determines why the check engine light is on, reducing test drive verification time.
- ăRetrieval of Vehicle InfoăVehicle code reader can retrieve the Vehicle Identification No. (VIN), Calibration ID(s), Calibration Verification Nos. (CVNs), and more, ensuring that the ECU matches your car.
- ăMaintain Your Engine In Good ShapeăWhen the MIL illuminates with a steady light, simply plug the code reader into your car's 16pin OBD II port, press the button according to your need, and you'll see the error code and its definition instantly. Use the code reader to erase engine fault codes and keep your engine in good shape.
- ăProduct WarrantyăProfessional auto scan tools come with a 2-year warranty and lifetime technical support. If you encounter any issues using this product, please contact us for assistance to resolve it promptly.
SaleNo. 18
Autel MS300 OBD2 Scanner Code Reader, Turn Off Check Engine Light, Read & Erase Fault Codes, Check Emission Monitor Status CAN Diagnostic Scan Tool
- ăFor Car DIYers And BeginnersăThis plug-and-play Autel scanner MS300 can pay for itself in the first use. It communicates with vehicles through standard 16-PIN OBD2 cable and itâs powered by vehicle directly (no battery needed). It capable of scanning vehicle Diagnostic Trouble Codes (DTCs) in seconds to pinpoint emission-related issues. The little guy should be a member of your toolbox, always in your car and ready to be taken out and used.
- ăRead Codes & Clear Codes In SecondsăGetting diagnostic codes(DTCs) should be the start of all repairs if you don't want to be ripped off. You can use MS300 to read the codes in seconds and look them up to quickly locate the problem areas, then determine if you can do the repair yourself or go to a mechanic, and clear the codes to get everything back to normal.
- ăTurn Off Check Engine LightăThe check engine light is always annoying you, most of the time because of a little thing, isn't it? Maybe it's just a gas cap that's not tightened but you paid hundreds of dollars for it? With Autel MS300 scan tool, you can read code to quickly find out why the check engine light is on and reset it.
- ăHelp You Pass Annual Smog CheckăTo pass annual smog check, you are better to make the OBD II Readiness Monitors on your car âReadyâ. You donât want to pay for a failed smoke check. MS300 OBD2 scanner can retrieve I/M Readiness status to check the monitors like misfire, fuel system, catalyst, O2 sensors, EVAP, etc, to help your car ready pass the annual smog check.
- ăWorks On 99% Vehicles & No-Worry PurchaseăAutel MaxiScan MS300 car code reader supports all OBD2 protocols: KWP2000, ISO2000, ISO9141, J1850 VPW, J1850 PWM and CAN. It is compatible with 99% OBDII-Compliant vehicles, passenger cars or light trucks. For OBD2 cars, usually, post 1996 for US market, post 2006 for EU market and post 2009 for Asian market. It comes with a 12-month warranty and free lifetime technical support. If you need any technical support, please feel free to contact us.
SaleNo. 19
CGSULIT OBD2 Scanner Enhanced SC204 Scan Tool, Check Engine Light Code Reader Car Diagnostic Tool With Reset, I/M Readiness, Clear Error Codes, Live Data & More, for All OBDII/EOBD Vehicles After 1996
- đ ăPractical Functionsă+ăAffordable PriceăRecommended by Youtube star Scotty Kilmer on his channel many times. CGSULIT SC204 scan tool with full OBDII functions to help you detect and solve potential engine problems - â Read Codes â Clear Codes â Live Data â View Freeze Frame â I/M Readiness â DTC Library â O2 Monitor Test â Vehicle Info â On-board Monitoring â EVAP Test
- đšâđ§ăMust-have Helper for Every Car OwnerăCGSULIT obd2 scanner is able to comprehensively diagnose engine and locate the root causes, to determine if it can be repaired by yourself to avoid blind and expensive repair fees. And let you reset error codes and check engine light after problem fixed. Undoubtedly a great gift for Thanksgiving & Christmas!!
- đăOne-Click I/Mă+ăBuilt-in DTCs Lookupă SC204 code readers & scan tools helps to check whether your lovely car is ready for annual s-m-o-g test. Furthermore, this code reader car diagnostic tool with reset is equipped with 10000+ DTCs database, which gives you a complete error codes definition without google, saving you time maximum.
- đăLive Data in Graphă+ăVehicle Health Guardă SC204 obd2 scanner diagnostic tool can rapidly retrieve vehicle info, display real-time data in text or graph, such as fluid temp, engine RPM... diagnose which O2 s-ensor is bad, etc., to easily master vehicle condition. Most importantly, it can record and playback data for more effective tracking and thorough problem resolution.
- đȘăStronger Compatibilityă+ă10 Languages Supportă SC204 check engine light code reader with reset works on most American cars from 1996, European from 2000, and Asian from 2008, supports all OBD2 & EOBD protocols: KWP2000, ISO9141, J1850 VPW, J1850 PWM, CAN. Additionally, this car code reader supports English, Spanish, French, German, Italian, Portuguese, Swedish, Hungarian, Russian and Dutch, without language barriers. â
- đăPlug & Playă+ăLifetime Free Updateă SC204 engine code readers with reset is powered directly by the car, no battery required, more stability and accuracy. Menu-driven design makes it easy to use even for beginners. Lifetime free updates to get the latest vehicle coverage, features upgrade and bug fixes. Truly a one-time purchase for free use forever.
- đăWarranty & Serviceă SC204 odb2 scanner comes with 2-year warranty and 5-year technical support. If you encounter any issues with functionality support or product defects, please feel free to contact us anytime via Amazon Message or After-sales Email ( back of âUser Manualâ ) , we provide 7*24 hours online services.
- â€ïžăWarm Tipsă This scanner for car is the latest version from factory, so just use it out of box without registration or update. There is a screen protector attached to the product screen, and if any scratches are found, just tear off the screen protector from top left or top right corner.
- đăPlease Noteă Dear customers, if you are not pleased with your car code reader automotive diagnostic tool and decide to return it, please kindly mark it as âunsellableâ to avoid it being resold to other customers, thanks much!!
SaleNo. 20
ANCEL AD410 Enhanced OBD II Vehicle Code Reader Automotive OBD2 Scanner Auto Check Engine Light Scan Tool (Black/Yellow)
- WIDE COMPATIBILITY - Recommended by YouTube star Scotty Kilmer on his channel. Works on most vehicles sold in the U.S. with a model year of 1996 or newer; Supports all OBDII protocols: KWP2000, ISO9141, J1850 VPW, J1850 PWM and CAN (Controller Area Network); Displays in English, German, French, Spanish, Finnish, Dutch, Russian and Portuguese; Requires no battery or charger as the unit is powered directly from the OBDII Data Link Connector in the vehicle.
- CRITICAL FUNCTIONALITY - Quickly reads and clears stored emissions-related codes, pending codes, and displays code definitions. Turns off the MIL (check engine light), helps reset the monitor before you take the car to smog, and lets you know what's going on before you take the car in for repairs.
- ENHANCED OBDII DIAGNOSTICS - Supports O2 sensor and EVAP (evaporative control) system test. The AD410 code scanner can be used to initiate a leak test of a vehicle's EVAP system by monitoring the integrity of the fuel tank system. The O2 sensor test is used to monitor and adjust the air/fuel mixture, which can identify and correct problems related to fuel efficiency and vehicle emissions.
- QVGA DISPLAY & NEW UI - The AD410 code reader is a greatly improved upgrade from simpler diagnostic tools. It features a 2. 4" TFT true color display (262K) LCD for clear viewing of test results. With the clear design UI, users can easily access setup, OBDII diagnostics, I/M readiness and DTC search and check. No need to read the manual to know what to do, even for a beginner.
- DIAGNOSTIC REPORTS & UPDATE - The Review & Print option allows you to save or print diagnostic reports as needed. The ANCEL brand offers lifetime free software updates for this unit to fix the latest bugs or add new parameters. Simply download the software from the ANCEL website and then follow the on-screen instructions to install it.
How to choose a good engine diagnostic tools
Does the idea of finding a fantastic engine diagnostic tools make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!
Your presence here indicates that you are interested in engine diagnostic tools. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top engine diagnostic tools products available right now. You might be wondering how we came up with the list. How was this buying guide developed?
First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top engine diagnostic tools on the market right now!
The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:
Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top engine diagnostic tools brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.
Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top engine diagnostic tools based on those.
Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.
Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.
Customer ratings: Â Would it be accurate to suggest that the engine diagnostic tools were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.
Customer Reviews: Like ratings, Â provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.
Seller Rank: This is very intriguing! Not only do you need a good engine diagnostic tools, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.
Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your engine diagnostic tools.
Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting engine diagnostic tools for months and years to come.
Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.
Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.
These are the standards by which we selected our engine diagnostic tools. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.
Why should you believe us?
There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what engine diagnostic tools should you purchase in 2022?
This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on engine diagnostic tools.
