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The 8 Best fuel system cleaners of 2024

Are you trying to find fuel system cleaners 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 fuel system cleaners 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 30 hours of research and did 22 fuel system cleaners 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 fuel system cleaners you can buy today

SaleNo. 1
Chevron 67740-CASE Techron Concentrate Plus Fuel System Cleaner - 12 oz., (Pack of 6)
  • For best performance, follow the manufacturer's recommendations in your vehicle owner’s manual.
  • Cleans, restores, protects the entire fuel system (fuel injectors, carburetors, intake valves and combustion chambers)
  • Restores: lost power, acceleration, lost fuel economy, and operation of the fuel gauge sensor
  • Reduces: rough idle, engine surge, hesitation, and spark plus fouling
  • Improves: cold start performance, and fuel stability for up to one year
  • Automobiles and trucks use every 3,000 miles or at your next oil change. All other gasoline engines use as needed (motorcycles, dirt bikes, boats, ATVs, RVs, water craft, lawn care, etc.)
SaleNo. 2
Red Line 60103, SI-1 Complete Fuel System Cleaner, 1 Bottle Per Tank, Cleans Injectors, Carburetors, Valve and Combustion Chamber Deposits - 15 Ounce (2 Pack)
  • DESIGNED TO EXCEED EXPECTATIONS: Red Line complete SI-1 fuel system cleaner treatment for cleaning and preventing corrosion in fuel systems
  • PERFORM AND PROTECT: Fuel additive cleans injectors, carburetors, valve and combustion chamber deposits with a powerful, concentrated blend of high-temp and low-temp detergents
  • EFFICIENT FUEL BURN: Gas treatment that enhances gasoline stability, while reducing the build up of gum and varnish formation
  • EASY TO USE: Use one bottle per tank for most effective treatment, additive cleans nearly 100% efficiency in one treatment
  • 15 Ounce (2 Pack)
No. 3
Gumout 510013 High Mileage Fuel Injector Cleaner, 6 oz. (Pack of 6)
  • The more an engine is driven, the more carbon deposits can build up on fuel injectors, intake valves and ports
  • Gumout High Mileage Fuel Injector Cleaner is specially formulated to remove carbon deposits from engines with more than 75,000 miles
  • Cleans fuel injectors, intake valves and ports to restore performance, fuel economy and prevents future carbon build-up, which reduces emissions
  • Oxygen sensor safe and safe for use in turbocharged and supercharged vehicles
  • Recommended use every 3,000 miles and will not void OEM/manufacturer’s warranty
No. 4
K&N Performance+ Fuel System Cleaner: Restores Performance and Acceleration, 16 Ounce Bottle Treats up to 21 Gallons, 99-2050 , Black
  • RESTORES PERFORMANCE: Fuel injector cleaner cleans entire fuel system to help restore lost engine power
  • INCREASED RESPONSIVENESS: Helps restore lost acceleration and throttle body response
  • REDUCES CARBON DEPOSITS: Injector cleaner helps remove carbon buildup for increased power and acceleration
  • SAFE ON ALL ENGINES: Specially formulated for direct injected or traditional fuel injected engines
  • TREATS A FULL TANK: Formulated to treat up to 21 gallons of gasoline
  • ​MADE IN THE USA: Quality and performance you can count on
No. 5
Berryman Products 0116 B-12 Chemtool Carburetor, Fuel System and Injector Cleaner, 15 Ounce, (Single Unit)
  • Contains 100% High-Energy Solvent Technology
  • Helps Keep Injectors Or Carb(S) And Intake Ports And Valves Clean
  • Quickly Disperses Moisture And Dissolves Gum, Varnish, And Other Fuel Residues
  • Disperses Moisture In Conventional Gasoline
  • Quickly disperses moisture and dissolves gum, varnish, and other fuel residues
  • Use on the entire fuel system, fuel tank, fuel lines, fuel injectors, valves, rings and pistons with H.E.S.T.
  • Ensures higher compression, fewer repairs, lower operating costs and increased spark plug and injector life
  • Catalytic converter and oxygen sensor-safe
No. 6
STP Complete Fuel System Cleaner, Fuel Cleaner Deep Cleans Entire Fuel System, 5.25 Oz, Multicoloured, 1 Count (Pack of 1)
  • Save gas by keeping fuel intake system clean
  • Helps restore performance
  • Removes deposits from entire fuel system
  • Helps inhibit corrosion
  • Compatible with cap-less fuel tanks
  • Flash point: 54.0 degrees_celsius
No. 7
Gumout 510011 Multi-System Tune-Up, 16 oz.
  • Use in gas, ethanol/flex fuel, diesel & biodiesel engines
  • Restores fuel economy and improves engine performance
  • PEA (polyetheramine) effectively removes carbon deposits from the entire fuel & oil systems
  • Stabilizes fuel and oil for up to 2 years
  • Helps pass emissions testing, Lubricates upper cylinders, and Fights ethanol related rust & corrosion
No. 9
STP Ultra 5 In 1 Fuel System Cleaner and Stabilizer, Deep Cleans Fuel System and Fights Engine Friction, 12 FlOz
  • Formulated to help save gas and lower emissions by deep cleaning the entire fuel system
  • Formulated to help restore peak performance and reduce friction by lubricating engine parts
  • Formulated to help prevent ethanol deposits and inhibit corrosion
  • Works with modern gasoline engines such as turbo, direct inject and hybrid vehicles
  • Compatible with cap-less gas systems ›
SaleNo. 10
2 Pack Bg 44k Fuel System Cleaner Power Enhancer 11 Oz Cans
  • Rapidly Cleans Fuel Injectors, Valves and Combustion Chambers
  • One can treats up to 20 gallons of gasoline
  • For gasoline engines only
  • The choice of automotive professionals for over 40 years
  • 11 oz. can
No. 11
Lucas Oil 10003 Fuel Treatment - 1 Quart
  • The world’s #1 fuel additive for both gasoline and diesel engines
  • A great tune-up in a bottle – treats gasoline, diesel fuel and increases MPG
  • Cleans and lubricates the fuel system, including fuel injectors, carburetor and combustion chamber
  • Improves fuel economy by burning excess exhaust emissions
  • Increases power and acceleration by improving fuel flow and reducing deposit buildup
  • Neutralizes sulfur and other harmful contaminants present in the fuel system
  • Increases the life of pumps and injectors
  • Prevents rust and corrosion, prolonging the life of engine and fuel system components
  • Complies with federal low sulfur content requirements for diesel motor vehicles and non-road, locomotive and marine diesel equipment engines
  • Safely replaces the need for lead in older engines without causing harmful effects
SaleNo. 12
Royal Purple 11722-2PK Max-Clean Fuel System Cleaner and Stabilizer - 20 oz. Bottle, (Pack of 2)
  • 3-in-1 fuel additive keeps new engines clean and improves vehicle's performance
  • Improves fuel economy an average of 3.2 percent
  • Increases horsepower an average of 2.6 percent
  • Reduces hydrocarbon, NOx and CO emissions (on average 12, 13 and 18-percent respectively)
  • Prevents rough idle, hesitation and stalling
No. 13
Chevron Techron High Mileage Fuel System Cleaner, 12 oz, Pack of 1
  • Restore power and performance - Restores lost power and performance by removing gum, varnish, and other fuel system deposits.
  • Maximize fuel economy - Keeps engines clean, and protects from deposits that rob engine efficiency and reduce fuel economy.
  • Protect the fuel system and fuel gauge sensor from various types of corrosion - Multiple corrosion inhibitors protect metal components (both ferrous components like iron and steel, and non-ferrous components like copper and silver) from the damaging effects of corrosion.
  • Vehicles with higher mileage accumulation can suffer from the effects of age - including carbon build-up and corrosion in the fuel system. Techron High Mileage Fuel System Cleaner helps keep your engine humming, no matter how many roads your vehicle has traveled.
  • Techron High Mileage Fuel System Cleaner is fully compatible and protective in all commercially available ethanol blends (E10, E85, etc).
No. 14
Liqui Moly 2007 Jectron Gasoline Fuel Injection Cleaner - 300 ml , blue , 10.14 Fl Oz (Pack of 1 )
  • Eliminates starting problems, hesitation and stalling.Fit Type: Universal
  • Smoother idling
  • Better throttle response
  • Cleaner combustion
No. 15
Gumout 510014 Regane Complete Fuel System Cleaner, 6 oz. (Pack of 6)
  • The ALL NEW CarbonClear technology combines the PEA cleaning power you have come to trust with PIBA, and a patented technology for a better clean. The combination of the 3 detergents work synergistically to provide better cleaning power (new formula) vs. just PEA alone (old formula).
  • Fights ethanol and water corrosion and prevents future carbon build-up
  • Conditions fuel to help extend the life of key engine parts
  • Provides maximized performance and fuel economy in one fill-up
  • Will not void OEM/manufacturer's warranty
  • Fit type: Universal Fit
No. 16
Lucas Oil 10512 Deep Clean Fuel System Cleaner - 16 Ounce
  • Greatly reduces harmful nitrous oxide emissions
  • Removes carbon deposits
  • Totally eliminates knocking and pinging
  • Raises mileage and performance
  • Flash point: 46.11 degrees_celsius
SaleNo. 17
Liqui Moly 2030 Pro-Line Gasoline System Cleaner, 500 ml, 16.91 Fl Oz (Pack of 1)
  • Package Dimension : 2.24 " L x 2.24 " W x 7.96 " H
  • Country of Origin: GERMANY
  • Model Number : 2030
  • Item Package Weight : 0.9 pounds
No. 18
Liqui Moly 20250 Truck Series Complete Fuel System Cleaner
  • Cleans the injection system as well as the intake valves and combustion chamber
  • Improves performance
  • Prevents corrosion in the fuel system
  • Normalizes fuel compensation and exhaust emissions values
SaleNo. 19
Royal Purple 18000 Max Atomizer Fuel Injector Cleaner, 6 fl. oz.
  • Restores fuel economy
  • Stabilizes ethanol
  • Maximizes horsepower
  • Improves responsiveness
  • For use in both gasoline and diesel engines
SaleNo. 20
Rislone Hy-per Fuel Complete Fuel System Cleaner Gas
  • Six in one: equal to a bottle of regular injector & complete fuel system cleaner, upper cylinder lubricant, fuel stabilizer and conditioner, dry gas, gas treatment and octane booster
  • Increase power and performance: boosts octane, power, performance and mileage, stabilizes gas, lubricates and protects
  • Save gas: cleans and lubricates the complete fuel system; engine dynamometer tests show improved fuel economy
  • Run smoother: helps eliminate noisy injectors and fuel pumps, rough idle, hard starting and hesitation; regular use provides reduced fuel system and emission control repairs.
  • EPA registered: will not void manufacturer’s new vehicle warranty and safe to use on vehicles with oxygen sensors and catalytic converters; exceeds epa compliance performance criteria and is epa registered

How to choose a good fuel system cleaners

Does the idea of finding a fantastic fuel system cleaners 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 fuel system cleaners. 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 fuel system cleaners 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 fuel system cleaners 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 fuel system cleaners 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 fuel system cleaners 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 fuel system cleaners 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 fuel system cleaners, 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 fuel system cleaners.

Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting fuel system cleaners 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 fuel system cleaners. 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 fuel system cleaners 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 fuel system cleaners.