Are you trying to find automotive emissions analyzers 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 automotive emissions analyzers 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 14 hours of research and did 91 automotive emissions analyzers 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 automotive emissions analyzers you can buy today
No. 1
NOX Gas Analyzer | Automotive, Emissions, Flue, Pollution | USA NIST Traceable Calibration | Computer Data Logging | Built-in Pump |
- ⚛️ ACCURACY: NOx levels from emissions of motorcycle, forklift, automotive, small gas engines, combustion, reactions, and pollution emissions. The NOx analyzer comes with a USA NIST calibration certificate.
- 🔬 INCLUDED: Includes waterproof hard case, water trap, particle filter, and NOx filter to reduce cross-sensitivity errors, stainless steel probe with an alligator clip for exhaust pipe easy mounting, and high-temperature silicone tubing.
- 🔔 SENSORS: High-range electrochemical NO and NO2 sensors with a built-in micro-pump (0.5 LPM) with a response time of less than 30 seconds.
- 💪 STRONG: Robust design with ABS and anti-slip grip rubber. Comes with a back magnet for easy mounting on the vehicle panel to enable hands-free operation.
- 🕵️ TRUST: ** 1-year limited warranty ** Arrives with calibration and QA certificates ** Product tested and verified in the USA **
$1,295.00
View On Amazon
No. 2
Exhaust Gas Analyzer Carbon Monoxide by Forensics Detectors | Motorcycle, Forklift, Automotive, Small Engine | USA NIST Calibration and Certificate | Probe, Water Trap and Filters | 0-2% CO |
- ⚙️ USES: For analyzing carbon monoxide levels from emissions of motorcycle, forklift, automotive, and small gas engines.
- 🚗 FEATURES: Includes waterproof hard case, water trap, particle filter, and NOx filter to reduce cross-sensitivity errors, stainless steel probe with an alligator clip for exhaust pipe easy mounting, and high-temperature silicone tubing.
- 💡 SENSORS: High-range electrochemical sensor (0.00 to 2.00 %vol CO) with a built-in micro-pump (0.5 LPM) with a response time of less than 30 seconds.
- 💪 STRONG: Robust design with ABS and anti-slip grip rubber. Comes with a back magnet for easy mounting on the vehicle panel to enable hands-free operation.
- ✅ TRUST: ** 1-year limited warranty ** Arrives with USA NIST calibration and QA certificates ** Product tested and verified in the USA **
$795.00
View On Amazon
SaleNo. 3
CRC Guaranteed to Pass Emissions Test Formula, 12 Fluid Ounce
- GUARANTEED TO PASS: CRC's Guaranteed to Pass Emissions Test Formula reduces your car's emissions and improves power; performance; and fuel economy in one treatment.
- ADVANCED FORMULA: This product uses a powerful detergent to soften and dissolve sludge in the fuel system; removing deposits and residue.
- APPLICATIONS: Advanced detergent formula for use in all cars; SUVs; trucks; and hybrids using gasoline or ethanol blends. Safe for all gasoline engines including Direct Injection (GDI) or Port Injection (PI); with or without turbochargers or superchargers.
- PRODUCT SPECIFICATIONS: Guaranteed To Pass comes in a 12 fl oz bottle.
- CRC INDUSTRIES: A market leader that offers impeccably designed chemical solutions to maintain; protect and repair different marine; heavy-duty motor vehicles; industrial-grade engines; household tools and electrical equipment.
$20.87
−28%
$14.99
View On Amazon
No. 4
Autel Battery Tester MaxiBAS BT608(E):12V 100-3000 CCA Load Tester, Cranking & Charging Systems Analyzer, Adaptive Conductance, Full System Diagnostic Scanner with Auto Battery Registration, Black
- 【Newly Released Smart Battery & Electrical System Tester 】Adopting advanced adaptive conductance technology, the accuracy of the tests performed by Autel battery tester BT608E is above the market average level. BT608E is featured with battery and electrical systems tests, auto battery registration, and a built-in thermal printer. The applied progressive AutoVIN and ScanVIN helps mechanics’ efficiency up. User-friendly applications, Android 9.0, and Wi-Fi greatly enhance BT608E’s practicality.
- 【owerful Compatibility Ability】 With the battery tester BT608E, no compatibility issue should be worried about. The battery tester can test almost all 6/12-volt batteries, which include 100-3000 CCA Flooded/AGM/AGM/Gel and EFB, and 12/24-volt cranking/charging systems, it’s compatible with various battery standards such as CCA, CA, SAE, EN, IEC, DIN, JIS, and MCA. Cranking and charging systems failures of car, motorcycle, truck, RV, ATV, SUV, boat, yacht, and even lawnmower can be diagnosed.
- 【Intelligent Adaptive Conductance 】With the adaptive conductance technology, BT608E' s testing results accuracy up to about 95% to reduce battery misdiagnosis; bad battery detection rates up to 64% to diagnose low capacity batteries; reduce 30% of charge & retest rate to save time and improve workshop efficiency. After numerous market research and rigorous calculations, Autel ensures to provide accurate battery’s CCA and reserve capacity and provides users with a premium experience.
- 【Auto Battery Registration & Electrical System Reset 】Comprehensive ad BT608E is, it also offer clear battery registration guidance and can complete one-touch registration of new batteries for 53+ vehicle brands. No other registration tool is needed. After the battery replacement, some position settings of the vehicle's electrical components such as sunroof, window, and the door might be lost and need resetting, the BT608E can also complete that task for technicians.
- 【Full Systems Diagnostics & Auto VIN Scan 】 Like professional scanners, the battery tester BT608E can also do full system diagnostics, making the tester more than a car battery tester. Connecting the VCI to the OBD DCL, basic information of vehicles will be automatically displayed, saving technicians’ effort to manually input every detail. You can also use the camera to scan the VIN/license to get the info easily (Please note this function is not compatible with all vehicles).
- 【Lifetime Free Update and Print 】 The Autel car battery tester BT608E have lifelong free software updates for the operating system/applications/battery testing/battery registration/vehicle manufacturers. The Android-based touchscreen battery testing tool also supports Wi-Fi and Bluetooth connections. The shop-customized reports can be printed out with the built-in thermal printer. No other printing materials except the standard thermal paper are needed.
SaleNo. 5
ANCEL AD410 Enhanced OBD2 Scanner, Vehicle Code Reader for Check Engine Light, Automotive OBD II Scanner Fault Diagnosis, OBDII Scan Tool for All OBDII Cars 1996+, Black/Yellow
- WIDE COMPATIBILITY – Trusted by YouTube Star Scotty Kilmer. The AD410 OBD2 Scanner supports all 16PIN vehicles that comply with the OBDII protocol, including KWP2000, ISO9141, J1850 VPW, J1850 PWM, and CAN. This OBD2 code scanner compatible with 1996 US-based, 2000 EU-based and Asian cars, light trucks, SUVs, as well as newer OBD2 and CAN vehicles. Multilingual support (English, German, French, Spanish, etc.), this car code reader is ideal for international users. Check compatibility with your vehicle model before purchasing. !!! Powered directly from your vehicle's OBDII connector, this diagnostic tool doesn' t need a battery or charger.
- CRITICAL FUNCTIONALITY – Quickly Read & Clear Fault Codes. The AD410 obd2 scanner diagnostic tool quickly reads and clears stored emissions-related codes, pending codes, and provides code definitions. With over 42,000 built-in DTC lookups, you can easily identify faults without the need for Google searches. Reset the MIL, check monitor readiness before smog tests, and understand your vehicle's health before costly repairs. !!! Note: Fault codes can be cleared after resolving the underlying issue, the code reader itself does not have a reset function.
- ENHANCED OBDII DIAGNOSTICS – Comprehensive System Testing. This engine obd2 scanner diagnostic tool offers advanced diagnostics, including testing of O2 sensors and EVAP systems. Perform a leak test on your vehicle's EVAP system and monitor the fuel tank's integrity. The O2 sensor test helps fine-tune the air/fuel mixture, improving fuel efficiency and reducing emissions—saving you money at the pump and reducing your car's environmental impact. !!! Note: The AD410 is only an engine code reader, it DOESN'T support other systems such as ABS, SRS, Transmission and others.
- QVGA DISPLAY & NEW UI – Easy-to-Use, User-Friendly Interface. The AD410 scanner for car boasts a 2.4 TFT true-color LCD display (262K) for clear, easy-to-read results. With an intuitive UI design, you can quickly access OBDII diagnostics, I/M readiness checks, DTC search, and setup options. No need to read a manual—this user-friendly auto diagnostic code scanner is perfect for beginners, mechanic and seasoned users alike.
- DIAGNOSTIC REPORTS & FREE LIFETIME UPDATES. The AD410 car scanner reader allows you to review, save, or print detailed diagnostic trouble code reports. Plus, with lifetime free software updates, you’ll always have the latest features and bug fixes. Simply download the updates from the ANCEL website and follow the easy on-screen installation instructions. (Note: update is not necessary, the AD410 code reader can be directly inserted into the OBDII interface of the car to use, if it doesn't work, then consider updating the device.) The ANCEL website provides the latest product user manual, which can be downloaded and viewed at any time.
- At the bottom of the device, you’ll find a USB port. You can use this port to connect the USB cable that comes in the package. This connection is for updating the device’s software or sending feedback about any issues you might encounter. Just a heads-up: the USB cable is not meant for powering the device, and the ANCEL AD410 check engine code reader doesn’t need to be charged or plugged into a power source. Also, please make sure not to connect the USB port and the OBDII 16PIN port at the same time, as doing so can interfere with the device’s ability to diagnose problems.
$49.99
−10%
$44.99
View On Amazon
No. 6
NEXPEAK OBD2 Scanner, NX501 Enhanced OBD II Auto Code Reader, Car Diagnostic Scan Tool Vehicle Check Engine Light Analyzer for All OBDII Vehicles After 1996 Colorful
- 【Professional Car Code Reader】 NEXPEAK NX501 obd2 scanner is an enhanced auto scanner that you can not only check all engine related fault codes, find out what caused the check engine light comes on, turn-off Malfunction Indicator Lamp (MIL), locate bad O2 sensor, but also can monitor car battery health status, remind you when the battery need to be replaced. It’s a perfect scan tool helps you to determine if your car need to be repaired and avoid blind maintenance, saves your time and money.
- 【Wide Array of Compatibility】 Accurately read and erase error codes on all OBD2 protocol vehicles with a 16 PIN interface (KWP2000, ISO9141, J1850 VPW, J1850 PWM and CAN). The NEXPEAK NX501 automobile diagnostic is compatible with most US vehicles that are model year 1996 or later – including sedans, SUVs, light trucks, and 12V diesels. This is a plug-and-play engine diagnostic code reader (both generic and manufacturer specific codes) – no extra batteries or apps required.
- 【Not Only Full OBD2 Function】 All 10 modes OBD2 diagnostic function including: read and erase fault codes, retrieve I/M readiness and freeze frame data. Unique graphical forms to display live sensor data, Auto VIN acquisition, O2 Sensor and EVAP Test (Mode 8), Advanced On-board Monitoring (Mode 6). This auto code reader can not only reveal what error codes your car is producing, but also monitor the battery voltage at all time during OBD car diagnostic, reminds you when having an aging battery.
- 【BEST Stability and Performance】This NX501 OBD2 car computer reader does all diagnosis via 2.8’’ color LCD screen, features with user-friendly UI design and STM-32 main chip, this diagnostic code scanner can access OBDII car diagnostics, DTC Lookup and Review 2-3 times faster than other car diagnostic scanners. With patented design soft silicone keypad and Red-Yellow-Green LEDs indicators, you don’t even need to read the manual and will enjoy the car diagnostics just as the professionals.
- 【Warranty & Update】 The NX501 OBD2 code scanner supports life-time free smart update service, Built-in memory card allows you to store diagnostic data and upload to computers for printing (for Windows ONLY). The NX501 package comes with a free carry case It’s a must have tool for you and your family.
- 【Great Gift for Father】 As the father's day comming, you can choose this wonderful obd2 scanner for your father or your husband as a superise present.
$64.95
View On Amazon
SaleNo. 7
Autel Professional OBD2 Scanner AL319 Code Reader, Enhanced Check and Reset Engine Fault Code, Live Data, Freeze Frame, CAN Car Diagnostic Scan Tools for All OBDII Vehicles After 1996, 2025 Upgraded
- 【TURN OFF CEL】 This AL319 car diagnostic tool supports Reading DTCs, displaying Live Data, Freeze Frame & I/M Readiness etc to figure out the root cause of the Check Engine Light (CEL) and turning it off, to help you detect any potential problems, and to avoid excessive costs for unnecessary repairs.
- 【EXTENSIVE APPLICATION】 Autel AL319 Compatible with 7 languages (English, French, Spanish, etc.) and various post-1996 OBD II protocol vehicles (Toyota, Nissan, Honda, Ford, etc.), this OBD II scanner provides accurate and fast diagnosis for worldwide car owners.
- 【FOR END USER & DIYERS】 This error code reader AL319 is “plug and play” and comes with an easy interface. Even if you’re not familiar with vehicle repair, you can quickly take control of this obd2 scanner, and get the information you want.
- 【USER-FRIENDLY DESIGN】 This check engine code reader features a patented One-Click I/M Readiness, TFT color display, built-in speaker, LED Indicator etc. The cable is long enough without being too long and getting in the way. No batteries are needed.
- 【HIGH-QUALITY SERVICES】 12 months warranty from the date of purchase and lifetime free update are offered by this Automobile OBDII scan tool. Welcome to contact us via Q&A, email, or hotline, and our after-sale-service team for technical support.
$35.99
−22%
$27.99
View On Amazon
No. 8
Autel OBD2 Scanner MS309 Universal Car Engine Fault Code Reader, Check Engine Light and Emission Monitor Status, OBDII CAN Diagnostic Scan Tool
- 🔥【On-Screen DTC Definition, Save Time & Easy To Use】Autel 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.
- 🔥【Retrieve Freeze Frame Data &Vehicle info】The 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.
- 🔥【Read Codes & Clear Codes】Knowing 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.
- 🔥【Turn Off Check Engine Light】When 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.
- 🔥【Ready For Annual Smog Check】If the OBD II Readiness Monitors on your car are not “Ready”, 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.
- 🔥【Works on 99% Vehicles】Autel 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.
- 🔥【No-Worry Purchase】Automotive 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 📞autelofficial @ outlook . com📞. NOTE: It does not support the full engine system, if need, pls consider ML629/ MK808BT, etc.
$22.99
View On Amazon
No. 9
Autel OBD2 Scanner MaxiScan MS309 Car Check Engine Code Reader, Check Emission Monitor Status, Newer CAN Diagnostic Scan Tool for All OBD II Protocol Vehicles After 1996
- 👏【Freeze Frame Data】OBD2 code reader with UPGRADED CHIP to read, diagnose and clear DTC, universal DTCs (Diagnostic Trouble Codes) meanings based on the built-in database(more than 3000 codes), determines the malfunction indicator lamp (MIL) status, turn off check engine light, shows engine parameters, scan I/M readiness/ monitor status (UPDATED FUNCTION), views freeze frame data(retrieve data record)(UPDATED FUNCTION) Don't worried outbreak outside.
- 👏【Retrieve Vehicle Info】OBD2 code reader enables retrieval of the Vehicle Identification No. (VIN), Calibration ID(s), Calibration Verification Nos. (CVNs). VERY USEFUL to check whether the ECU matches your car when you are buying a used car. The OBD2 Code scanner retrieves generic (P0, P2, P3, and U0), manufacturer specific (P1, P3, and U1) codes, and pending codes.
- 👏【Wide Vehicle Compatibility】OBD2 scan tool is UNIVERSAL to fit all OBD2 protocols: KWP2000, ISO2000, ISO9141, J1850 VPW, J1850 PWM and CAN (Controller Area Network). Compatible with US vehicles since 1996 & European and Asian autos since 2000, OBDII vehicles, passenger cars, light trucks, SUV. Great for gasoline cars but NOT suitable for DIESEL vehicles.
- 👏【Displays DTC Definitions】 Use the OBDII reader to read codes easily by just plugging in and pressing the scroll and enter button. Don’t need annoying Bluetooth, app, and computers. Don't need a battery. Wider LCD screen with white backlight shows. Support language: French German Dutch Spanish English. 28.8in / 73cm 16 pin obd2 cable allows you to sit comfortably for car diagnostic testing.
- 👏【Save Maintenance Cost and Time】Tackle every automotive problem that might arise with this OBD2 diagnostic tool instantly. A compact, handy scan tool with manual in detail as driver’s necessary backup. Start quick check of the car system and fix it. Risk-Free Customer Service, 1-year replacement in case any quality problem with the car OBD2 scanner. Just feel free to send us an email for any problem.
- 🔥【No-Risk Purchase】MS309 Automotive OBDII scan tool comes with a 12-month w.arranty and life-time technical support. If you need any help, such as compatibility and registration, welcome to contact 📩AutelStoreOnline @ outlook . com📩. NOTE: It does not support the full engine system, if need, pls consider ML629/ MK808BT PRO scanner, etc.
$22.99
View On Amazon
No. 10
MOTOPOWER MP69039 Car OBD2 Scanner Code Reader Engine Fault Code Reader Scanner CAN Diagnostic Scan Tool Advanced Edition
- Advanced Edition - 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 10 languages - English,German, Dutch, Spanish, French, Italian, Russia, Chinese, Japanese and Portuguese. Designed with a clear display 2.8Inch TFT screen (240 x 320 pixels). No need any battery or charger, OBD reader gets the power directly from your vehicle through the OBDII Data Link Connector.
- Professional Level Diagnostic Tool with Enhanced Coverage and Functionality - The Scanner empowers home mechanics, automotive enthusiasts, and service & repair technicians with professional-level functionality. It is a vehicle code reader that reads and clears OBD engine codes and displays all vehicle information from when a trouble code was triggered.
- Easy self-diagnosis of emission status and other important information - Know your smog check results before your state does. The scanner determines whether you’ll pass a state vehicle smog test. It can also provide trip cycle procedures for completing your smog check.
- Deeper Level Data Analysis - More than one hundred engine system datas to be checked in graphic view. Accurately analyze the data to better understand your vehicle condition.
- ABS / Airbag / SRS 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 / SRS / Oil Service Light, etc.
- Data Print & Lifetime Free Upgrade - Download the MOTOPOWER MP69039 Print & Update Program directly from our website. You can print the testing Data easily with your computer (Windows System Supported only). Also you can update the device with the latest program which can be downloaded from the MOTOPOWER website.
SaleNo. 11
BLCKTEC 440 Bluetooth OBD2 Scanner Diagnostic Tool - Car Code Reader and Scanner for Car - Comes with Live Data - Battery/Charging System Test - Works for All OBD Compliant Cars 1996 & Newer
- [Effortless Vehicle Health Management] - Master your vehicle’s diagnostics with the blcktec 440 obd2 scanner, the ultimate tool in car maintenance. This car check engine code reader not only simplifies the process of reading and clearing trouble codes but also enhances your diagnostic capabilities by providing comprehensive emissions readiness and system resets. It’s the go-to device for turning off CEL efficiently.
- [Precision Monitoring & Analysis] - Elevate your diagnostic experience with our OBD2 scanner’s live data graphing feature. Perfect for in-depth monitoring of your vehicle's real-time performance, this tool ensures you receive accurate error code interpretations for a broad range of vehicles including cars, SUVs, light trucks, and 12V diesels equipped with OBD2. A must-have for optimal vehicle performance assessment.
- [Expert-Recommended Tool] - Embrace the 440, a scanner for car diagnostics endorsed by leading mechanics for its superior capabilities. With its patented design, vibrant 2.8" color screen, and printer compatibility for easy report sharing, this scanner is a staple in professional DIY toolkits. It includes free lifetime updates and expert support, ensuring it’s a valued part of your diagnostic equipment.
- [Streamlined Smog Preparation] - Get smog test ready with the blcktech 440 code reader for cars and trucks. Designed for efficiency, its user-friendly I/M readiness hotkeys paired with clear, color-coded LEDs provide instant readiness status, making it an indispensable tool for emissions testing. Ideal for both novices and professionals, it simplifies compliance and enhances diagnostic workflows.
- [Plug-and-Play Convenience] - Ready to use right out of the box, the BLCKTEC OBD scanner powers up directly from your vehicle’s 16-pin DLC—no batteries needed. An essential tool for every toolbox, this scanner for car maintenance is ideal for both home mechanics and automotive DIYers, offering reliable diagnostics without the hassle.
$89.99
−22%
$69.98
View On Amazon
No. 12
Luney Car Spark Plug Tester Tool, Automotive Engine Ignition Plug Analyzer 110V Double-Hole Spark Tester 0-6000rmp Operating Frequency with Protective Cover for 12V 12MM Socket
- Working Principle: The automotive spark plug tester and coil tester is mainly used to judge the performance and ignition strength of the spark plugs by comparing the spark strength of two spark plugs, so as to find out the damaged spark plugs. Spark plug tester has two spark plug sockets. The dual-hole test function of our spark plugs allows you to place a new spark plug and an old spark plug in the test hole at the same time, making your judgment more accurate through testing and comparison
- Applicability: 12 V Gasoline vehicles car spark plugs are dedicated to the testing of automotive engine spark plugs, the output voltage is 110 V, which is widely used for automotive spark plugs of 12 V 12 MM gasoline vehicles cars. Universal for spark plug tests are adaptable to most crankshaft engines and motorcycle spark plugs on the market
- Adjustable Working Frequency: Our car spark plugs tester and coil tester's working frequency is 0-6000 rmp, you can adjust it according to your needs. The higher the adjusted frequency, the stronger the spark
- Excellent Quality and Humanized Design: Our spark tester automotive is made of excellent quality ABS material with good impact and heat resistance. The automotive ignition coil tester comes with a high-voltage indicator light and a transparent protective cover, you can observe the status of the spark plug through the protective cover, the use of the process has a safety guarantee. Attention: make sure to cover the protective cover before use to avoid injury
- Simple Operatio: The operation of the spark tester is very simple, just put the spark plug to be tested into the test hole, cover the protective cover, and finally turn on the power to start the test. It also has one power indicator and two high voltage signal indicators, which can help you observe the test situation more intuitively
$17.99
View On Amazon
No. 13
AMTIFO OBD2 Scanner Diagnostic Tool - Color Display, Real-Time Data, 3-Color Signal Light, Reads & Clears Codes, Car Voltage & Coolant Level Monitoring, for DIY Car Maintenance, First-Time Users
- Instant & Accurate Engine Diagnostics: Quickly read and reset your Check Engine Light with this OBD2 scanner. Diagnose car issues in seconds and clear trouble codes for smoother driving. Compatible with all OBD2 vehicles, providing reliable, real-time engine diagnostics and early issue detection
- Live Data Monitoring for Precise Performance Tracking: Monitor live vehicle data like RPM, fuel consumption, and engine temperature. Get deeper insights into your car's performance and catch issues early before they escalate, ensuring long-term reliability and avoiding unexpected breakdowns
- Universal Compatibility with OBD2 Vehicles: Works with all OBD2-compliant vehicles (1996 and newer). Ideal for DIY mechanics and car enthusiasts, this scanner provides versatility and convenience for a wide range of vehicles, making it the go-to tool for both personal and professional use
- User-Friendly Interface & Large Display: Designed for ease of use, the OBD2 scanner features a simple interface and a large, easy-to-read display. It shows diagnostic results and trouble codes clearly, making it suitable for both beginners and experienced professionals
- Save Time & Money on Car Diagnostics: Avoid expensive mechanic visits by diagnosing car issues yourself with this OBD2 scanner. Check engine health, clear codes, and resolve issues conveniently, saving you time and money while maintaining your vehicle’s performance
- Prevent Future Breakdowns with Real-Time Data: Access real-time data for engine performance, including fuel efficiency and exhaust readings. Spot potential issues early to prevent breakdowns and costly repairs, ensuring a smoother, more reliable driving experience
- Enhanced Functionality with Free Software Updates: Keep your scanner up-to-date with free software updates. Ensure compatibility with newer vehicle models and diagnostic features, so your tool always meets the latest industry standards
- Portable & Compact Design for On-the-Go Use: Lightweight and compact, this OBD2 scanner fits easily in your car. It's a portable solution for diagnosing issues anywhere, whether you're at home or on the road, providing convenience and reliability in any situation
- Instant Access to Trouble Code Definitions & Fixes: Access a comprehensive database of trouble codes and their definitions directly on the screen. Get repair suggestions and easy-to-follow fixes, helping you address car issues confidently without professional assistance
- Built for Durability with 2-Year Warranty: This OBD2 scanner is built to last, with durable materials designed for long-term use. Enjoy peace of mind with a 2-year warranty, ensuring your tool remains reliable for years to come
$24.98
View On Amazon
SaleNo. 14
CGSULIT Car Code Reader SC301 OBD2 Scanner with Smog Check & Check Engine Light Reset, Read/Clear Error Code, Live Data, DTC Lookup, On-Board Monitor Test, Diagnostic Scan Tool for Cars After 1996
- 【Enhanced OBDII Service Modes】SC301 OBD2 scanner diagnostic tool enables you to reset check e-ngine light(CEL), locate bad O2 sensors, EVAP leak test, access engine status, reset monitors, retrieve vehicle's VIN, read/reset fault codes, etc. Plug and play, no batteries, located your car's problems in minutes. Note: Please fix the issue first, and then clear codes, otherwise, the OBD scanner won't clear codes successfully. Gifts for Dad
- 【One Click I/M Readiness】+【Help Pass S-mog Check】SC301 car scanner monitors the engine-related systems' status, to check if your car is ready for the s-mog test, such as Misfire, Fuel, CCM, EVAP System, etc. Help you pass the s-mog check easily, and save your money for paying fine tickets. A Green-Yellow-Red light and the speaker will indicate the readiness status
- 【Built-in 10,000+ DTC Lookup Library】+【"?" Button Offer Accurate Advice 】SC301 check engine light code reader with reset has a unique "?" button. SC301 scan tool not only shows DTC definition but also offers helpful tips to deal with DTCs by pressing the "?" button. No need to Google why your vehicle's CEL comes on and what the DTC codes mean
- 【Accurate Live Data Streams】+【Record/Playback/Print Data】Not only can you view the live data but you can record it during the road test to find a problem and then playback/print the data. Live data can be displayed via graphs like you can see if the vehicle is running rich or lean with a fuel trim running lean
- 【99% of Vehicle Compatibility】+【Supports 10 Languages】SC301 check engine code reader work on most 1996 and newer American/European/Asian car with standard OBD2/EOBD protocols: KWP2000, ISO9141, J1850 VPW, J1850 PWM, CAN. Supports English, Spanish, French, German, Italian, Portuguese, Sweden, Hungarian, Russian, and Dutch
- 【View Freeze Frame for Identifying Problems】SC301 code reader car diagnostic tool with reset got freeze frame data when the code happened to help you to figure out why that problem occurred. Freeze Frame Data include important engine parameters such as engine RPM, vehicle speed, airflow, engine load, fuel pressure, fuel trim value, engine coolant temperature, ignition timing advance, or closed loop status, etc
- Multilingual (Subtitle)
$49.90
−22%
$38.98
View On Amazon
SaleNo. 15
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 I/M readiness status, figure out the root reason of check engine light or MIL turned on, monitor sensors test, read live data and retrieve VIN of your vehicle. The fault code only can be cleared after repair finished by NT301, as like all the obd2 code readers' working principle
- [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 and 1-year seller assurance with EXCLUSIVE tech and service team. Plug & Play, no need to update before using. Available to windows system. NOT support ios and Mac
- [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. This scanner for car only supports to read the fault code of engine system, not support ABS or SRS
- [OBDII Protocols & Compatibility] The NT301 supports standard OBDII protocols like KWP2000, J1850 VPW, ISO9141, J1850 PWM and CAN. The device may not be compatible with Fiat/ALFA/Lancia, or some models of the French PEUGEOT, Citroen, South Korea Ssangyong, Russia Lada, VAZ, UAZ, GAZ because they are non -standard OBD2 protocols. Kindly check the vehicle compatibility before the purchase
- [Please Note] Dear customer, we have enhanced the outer package to carton box package from July 2024. You can check the correct package in images. If you are not pleased with your NT301 and choose to return it, please kindly mark it as unsellable to avoid and used one is resold again to other customers. Appreciate very much. If you received the used product, we also are responsible for this problem and will provide new replacement or refund
$69.99
−20%
$55.99
View On Amazon
No. 16
Autel OBD2 Scanner MS309 Automotive Check Engine Code Reader, Check Emission Monitor Status, CAN Diagnostic Scan Tool for All OBDII Protocol Vehicles After 1996
- 👍[FOR STARTERS & DIYERS] This error code reader is “plug and play” and comes with an easy interface. Even if you’re not familiar with vehicle repair, you can quickly take control of this code reader, and get the information you want. 👉It comes with English only, NO Spanish or other language.
- 👍[TURN OFF CHECK ENGINE LIGHT] This car diagnostic tool supports Reading DTCs, displaying DTC definition under the codes, Freeze Frame & I/M Readiness etc to figure out the root cause of the Check Engine Light (CEL) and turning it off, to help you detect any potential problems, and to avoid excessive costs for unnecessary repairs.
- 👍[UNIVERSAL OBD2 CODE READER] Autel MS309 is a very basic obd2 code reader, it can turn off check engine lights. Mostly, if your car is with OBD2 socket, then it supports. BUT it does NOT support ABS, SRS, Engine and Transmission etc. systems. PS: For OBD2 cars, usually, US cars after 1996, EU cars after 2006, Asian cars after 2009.
- 👍[USER-FRIENDLY DESIGN] This check engine code reader features two easy-to-use buttons, namely: "Enter/ Exit" and "Scrool" buttons, which are very easy to operate. It comes with backlit display, and the cable is long enough without being too long and getting in the way. No batteries are needed.
- 👍[HIGH-QUALITY SERVICES] 12 months warranty from the date of purchase and lifetime free tech supports are offered by this Automobile OBDII scan tool. If need any tech support, please feel free to contact us via 🚘auteldirect @ outlook . com🚘.
$22.99
View On Amazon
SaleNo. 17
ANCEL AD310 Classic Enhanced Universal OBD II Scanner Car Engine Fault Code Reader CAN Diagnostic Scan Tool, Read and Clear Error Codes for 1996 or Newer OBD2 Protocol Vehicle (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 mechanic tool 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.
$27.99
−25%
$20.99
View On Amazon
No. 18
TRQ Upstream O2 Oxygen Sensor Set Fits 2009-2020 Acura 2008-2020 Honda
- TRQ products are covered by a 2-year / 24,000-mile warranty. Warranties cover the cost of products only and do not cover any damage, labor, or any other inconveniences incurred.
- Reference Number(s): 18083,19060455,2134742,2344459,2345056,2345098,25025059,365315G0A11,36531R70A01,36531R70A02,365415G0A01,36541R70A01,36541R70A02,36541RN0A01
$119.95
View On Amazon
No. 19
Bosch Automotive Bosch 15140 Oxygen Sensor, OE Type Fitment
- Designed to determine the oxygen content of the exhaust gas
- Improves fuel economy and lowers emission
- Made from durable material
- Facilitate easy installation
- Corrosion resistant
No. 20
Bosch Oxygen Sensor - 13769
- [SUPERIOR PERFORMANCE] - Every Bosch Oxygen Sensor benefits from the technological and manufacturing experience gained from decades of production since the first Oxygen Sensor was invented in the late 1960's, ensuring long-lasting, superior performance
- [FACTORY TESTED] - Each sensor meets Bosch's rigorous standards for quality and performance and undergoes a fully functional quality test before leaving the factory to ensure operation within design specifications
- [STAINLESS STEEL BODY] - Stainless steel body is totally submersible and sealed tight to protect against damage from exhaust emissions — ensuring longer sensor service life
- [FAST ACTING HEATER] - Fast-acting heater optimizes sensor operation on Planar and 3, 4, and 5 wire Thimble type sensors allowing the oxygen sensor to reach its operating temperature quicker – within seconds – for optimum performance
- [READY TO INSTALL] - True direct-fit OE type connectors and harnesses, along with gaskets or crush washers as necessary for installation, make installation simple and hassle-free
- Compatible with select vehicles (Note: verify specific fitment details, including sensor position, with fit checker above)
$56.71
View On Amazon
How to choose a good automotive emissions analyzers
Does the idea of finding a fantastic automotive emissions analyzers 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 automotive emissions analyzers. 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 automotive emissions analyzers 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 automotive emissions analyzers 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 automotive emissions analyzers 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 automotive emissions analyzers 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: Would it be accurate to suggest that the automotive emissions analyzers were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.
Customer Reviews: Like ratings, 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 automotive emissions analyzers, 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 automotive emissions analyzers.
Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting automotive emissions analyzers 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 automotive emissions analyzers. 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 automotive emissions analyzers 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 automotive emissions analyzers.
