Top 11 Best Fuel Injector Cleaners (2024)

Fuel injectors play a central role in delivering fuel to the combustion chamber of your car’s engine. Therefore, they have a direct impact on a car’s performance in terms of fuel economy.

Unfortunately, since gasoline (and other fuel) that flows through these small electromechanical devices contain some contaminants such as carbon, a few particles are likely to clog up the fuel system with time.

This accumulation increases the fuel consumption rate alongside a variety of other car problems such as incorrect Miles per Gallon (MPG), motor chatter, poor engine performance, and many more.

That said, to keep your car’s performance up to par, regular cleaning of your car’s fuel system is necessary. Of course, you can visit your mechanic to do the job. However, since it’s a pretty straightforward affair, you can do it yourself to save a bunch of money.

Now, to get professional results, you need what experts use. So, what exactly do experts use for the job? Well, we are here to help; pick one of our 11 best fuel injector cleaners to get the job done like a pro.

Gumout 510013 Fuel Injector Cleaner, 6....
  • Removes carbon deposits from engines with over 75,000 miles

11 Fuel Injector Cleaner Reviews

#1 Chevron Techron Fuel System Cleaner

Chevron Techron Fuel System Cleaner

This cleaner from Chevron takes the first spot on the list. It is one of the options that top mechanics, auto manufacturers, and motorists recommend for restoring optimal engine performance and fuel economy.

The cleaner arrives in a bottle of 20 ounces. However, in case you need more or a smaller amount, it is also available in a cost-efficient pack of 6 and a smaller bottle of 12 ounces.

The product uses polyether amine (PEA) technology to remove caked deposits from the fuel system. Hence, expect it to restore the carburetor, fuel injectors, intake valves, and other parts forming the fuel system to their perfect condition.

Among the many benefits that this high-quality product delivers to a car include improved acceleration, better efficiency, fuel stability, the accuracy of the fuel gauge sensor, reduced engine surge, and many more.

Whether you want it for a motorcycle, RV, boat, ATV, trucks, or any other auto device, it is designed to improve the performance of any automobile you have.

Why You Should Buy It:

  • It leaves the engine performing smoothly.
  • It is available in different quantities.
  • It works in any automobile.
  • It’s recommended by experts.

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#2 Red Line (60103) Complete SI-1 Fuel System Cleaner

Red Line SI-1 Fuel System Cleaner

Whether your car uses one of the older engines or a modern machine, it needs to be kept clean for optimal performance. Now, one of the ways to restore your engine’s optimal performance is by using this cleaner.

Injectors are just a few of the many components forming a fuel system. Therefore, at times the problem may not be with the injectors. That’s why this cleaner works on the entire fuel system of your car to guarantee results.

Red Line 60103 isn’t just like an ordinary cleaner; it goes beyond just flushing out the unwanted deposits from the system. In other words, it also prevents corrosion to keep the entire system up to par.

Our very suggestion arrives in a 15-ounce bottle that goes at an affordable price that most car owners can afford. However, it is also available in a smaller bottle of 12 ounces although it only comes in a pack of 12.

For an excellent treatment, the manufacturer recommends that you use the entire 15-ounce bottle. Also, it’s safe for continual use and will also work well with oxygenated fuels.

Why You Should Buy It:

  • It cleanses and protects.
  • It’s safe for continual use.
  • It’s very easy to use.
  • It works for all types of injectors.

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#3 STA-BIL (22275) 360 Protection

STA-BIL (22275) 360 Protection

Ethanol blended fuels cause corrosion to a fuel system which might affect its overall performance with time. Now, this U.S-made product comes to restore performance and provide all-round protection to a fuel system, just as the name suggests.

The STA-BIL 22275 360 Protection is effective for use in ethanol and non-ethanol fuels. Its major role is that it combats any negative effects that these fuels cause on your car’s fuel system.

The product uses an advanced formula to clear the fuel system of any contaminants, prevent corrosion, and curb any build-up that may affect the effectiveness of your car engine. Hence, it’s one of the products that keep your car performing as if it just came out of the showroom.

The manufacturer recommends using 1 ounce (30mm) of the product for treating 5 gallons of fuel. Thus, the entire 32-ounce bottle should be enough for use with up to 160 gallons of fuel.

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We like that it doesn’t contain any alcohol. That said, you can use it for any gasoline cars, trucks, lawnmowers, and other automobile devices where fuel economy and powerful engine performance is needed.

Why You Should Buy It:

  • It doesn’t contain any alcohol.
  • A single canister treats up to 160 gallons.
  • It works for ethanol and non-ethanol fuels.
  • It maximizes fuel economy.

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#4 STP 78568 Complete Fuel System Cleaner

STP 78568 Complete Fuel System Cleaner

Gasoline is a combination of hydrocarbons that contain substances such as ethanol and other harmful elements. As it moves through the fuel system, carbon is likely to build-up on some critical components hence compromising the performance of the engine.

To restore your engine’s performance to its very best, STP offers this amazing product to every caring car owner. It is conceived with the entire fuel system in mind and not just a single component of the system.

Therefore, whether the problem is emanating from the fuel injector, carburetor, intake valve, or any other component that is part of the system, expect this product to bring a solution.

The high-quality cleaner makes use of a very powerful formula that works well to clean the fuel intake system. Apart from removing the mess, the STP 70568 also prevents soot, gum, and other harmful elements from accumulating in the fuel system.

The unique formula will also work well to inhibit corrosion as a way to curb any future fuel system gremlins. The 5.25-ounce bottle offers 155 ml of cleaner. This quantity treats up to 21 gallons of gasoline and is compatible with cap-less tanks.

Why You Should Buy It:

  • It works as a stabilizer as well.
  • It prevents corrosion and soot.
  • It supports use with cap-less fuel tanks.
  • It targets the whole fuel system.

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#5 Liqui Moly Fuel Injection Cleaner

Liqui Moly Fuel Injection Cleaner

Liqui-Moly is a Germany-based manufacturer of automotive chemicals. She has over 60 years of experience in the industry. Throughout this period, this award-winning manufacturer has been producing industry-leading quality products to make driving cheaper, more fun, and safer.

Now, our next product on the list comes from this manufacturer. And having all that said, this is one of the products that top experts in the automotive industry prefer to use. Hence, we are confident it won’t disappoint you either.

The top-grade cleaner adopts a purposeful formula that works exceptionally to clear the fuel system of any contaminants. It removes carbon deposits and other harmful substances from injection and inlet valves, fuel pipes and distributors, and more.

Working on all these parts eliminates a long-list of problems. Therefore, expect better throttle response, cleaner combustion, and smoother idling. Also, you won’t experience any starting problems and other issues caused by clogged fuel systems.

It comes in a 300-ml bottle. It works well for a variety of engines including those with catalytic converters. It isn’t so friendly to your health, however, so be careful as it can cause eye and skin irritation.

Why You Should Buy It:

  • It comes from a reputable manufacturer.
  • It improves gas mileage significantly.
  • It expels carbon, moisture, and sulfur build-up.
  • It promotes cleaner combustion.

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#6 Star Tron Gas Tank & Fuel System Cleaner

Star Tron Gas Tank & Fuel System Cleaner

Our next option is designed to clean every component that comes into contact with fuel. In other words, this product begins right with the fuel tank before it cleans the fuel system of your automotive device.

The cleaner makes use of an enzyme formula that effectively cleans sludge, hydrocarbon deposits, and other contaminants from the fuel system to leave it in an excellent condition.

We like that it works well with both gasoline and diesel fuel tanks for maximum versatility. Thus, if you have different vehicles that run on diesel and petroleum, you won’t have to buy separate fuel injector cleaner for every vehicle.

And since it’s conceived with versatility in mind, the product comes in a large 64-ounce container that offers 1.89 liters. The manufacturer recommends that you use an ounce for every gallon. Hence, the entire can should treat up to 250 gallons.

Most cleaners coming in larger cans aren’t as powerful as those in smaller containers. But not all; this fuel injector cleaner is very concentrated. Therefore, expect it to work as good as the little bottles.

Why You Should Buy It:

  • It works as a tank cleaner.
  • It features a concentrated formula.
  • It comes in a large container.
  • It works on gasoline and diesel tanks.
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#7 STP 18410B Fuel System Cleaner and Stabilizer

STP 18410B Fuel System Cleaner

STP 18410B is also another product you may consider giving a shot if you want a product that will give you maximum value for your money. It is from a well-reputed manufacturer. Hence, it should live up to what it claims.

This product embraces cutting-edge cleaning technology. Thus, it is one of the most reliable fuel injector cleaners out there for a car owner who wants a product that will restore the engine to its top form.

The unit packs up to 3 times the amount of cleaning agents featuring in the 20 gallons of the market-leading premium gasoline. That means that it’s up to three times more effective in doing its work as compared to the most expensive gasoline out there.

The high-quality cleaner eliminates valve deposits and other contaminants to restore about 95% of the original injector performance. That said, it’s safe to conclude that this model is far above the majority of the members of the competition.

Since it’s made to give you the best bang for your buck, this cleaner doubles up as a stabilizer. Therefore, expect it to keep your gasoline fresh for a very long time when in storage.

The 5-in-1 cleaner will also lubricate the engine parts to boost the performance of the engine. Also, it contains corrosion inhibitors that protect your fuel system and engine from rust and corrosion that brought about by moisture.

Why You Should Buy It:

  • It restores up to 95% of the initial injector performance.
  • It is a 5-in-1 product.
  • It packs more cleaning agents.
  • It reduces friction in the engine parts.

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#8 Gumout 510016W-6PK Fuel System Cleaner

Gumout 510016W-6PK Fuel System Cleaner

Although this option is available in a pack of 1, we chose to settle for the set of 6 since it will keep you going for longer considering that each bottle offers 296 ml of content. Also, the larger pack offers a better price per unit than the single-pack option.

It is a complete cleaner that not only works on the fuel injectors but also the fuel system as a whole for a better performance of your car. It’s effective on both direct and indirect fuel cleaners.

Its formula uses Polyether Amine (PEA), an effective cleaning agent that eliminates even the most stubborn deposits and other contaminants that most competing members can’t remove.

Although carbon deposits on fuel pipes affect the engine, it isn’t the only thing that affects the performance of the engine. With that in mind, this product conditions fuel to reduce friction and corrosion to extend the lifespan of key engine parts.

We like that the product is very straightforward to use- pour the entire bottle to a near-empty tank and refill it with 18-35 gallons of gasoline. Use that amount of gasoline without refilling until the tank is almost empty.

Although one bottle is enough to eliminate the mess in the fuel system, the manufacturer recommends using this product after every 3000 miles to keep your vehicle in the best condition.

Why You Should Buy It:

  • It comes in a cost-efficient pack of 6.
  • The instructions are very good.
  • A single bottle treats up to 35 gallons.
  • It won’t affect your car’s warranty.

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#9 Sea Foam SF-16-2PK Motor Treatment

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SF-16-2PK is another great alternative that will restore fuel economy, improve acceleration, and promotes a better and smoother operation of the engine and the car’s fuel system. The option comes as a set of 2 with each bottle holding 16 ounces of this premium cleaner.

The cleaner will flush out hydrocarbon deposits and other sticky residues in the fuel system. In other words, this option cleans the carburetor, fuel injectors, combustion chambers, and other parts that form the system.

Unlike some cheaply-made cleaners that use harmful detergents and other chemicals that may affect the health of your car’s engine, this residue remover is made using carefully-selected components so that it gets the job done without suppressing the performance of other critical car parts.

Apart from cleaning, it serves as a fuel stabilizer. Therefore, it will preserve the essential fuel properties for up to 2 years and prevent it from evaporating. Hence, you are getting more than just a cleaner here.

SF-16-2PK also acts as a lubricant for the upper cylinder to help reduce friction. That said, it’s one of the products that are designed for all-round protection and maintenance of your car’s fuel system.

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Why You Should Buy It:

  • It doesn’t contain any harmful chemicals.
  • It prevents fuel from evaporating.
  • It helps maintain the fuel system.
  • It keeps the engine running quieter.

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#10 LUCAS LUC10013 10013 Fuel Treatment

LUCAS LUC10013 10013 Fuel Treatment

LUC10013 is one of the top-ranked fuel injector cleaners in the market and for a reason. It contains everything that your fuel system and car engine need to give you the most.

In other words, this high-quality injector cleaner has an appropriate mix of super slick oils and additives that effectively restore the ‘day one’ performance of your car without costing you an arm and a leg.

It restores the pristine performance of a fuel system by cleaning the deposit-notorious areas such as the fuel injector, carburetors, and others that affect the efficiency and performance of the engine.

By doing this, this scientifically engineered lubricant and cleaner ensure that fuel burns more efficiently and cleanly to promote fuel economy when simultaneously unleashing the maximum power of your vehicle.

The fuel system cleaner works well for diesel and gasoline engines for maximum versatility. In fact, the manufacturer claims that it similar benefits to lead when still maintaining a healthy environment.

Why You Should Buy It:

  • The packaging is excellent.
  • It works with gasoline and diesel engines.
  • It reduces harmful emissions.
  • It serves as a lubricant.

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#11 Lucas 10020 Fuel Treatment

Lucas 10020 Fuel Treatment

Lucas 10020 Fuel Treatment comes in a small 5.25-ounce bottle. As small as it is, this product packs enough capability to restore the lost power of your car’s engine and the fuel system.

It is free from alcohol, solvents, kerosene, alcohol, and other compounds that are likely to affect the functionality of engine parts. Therefore, you can buy it with confidence that it won’t cause any regrets- even with continuous use.

The product works as a cleaner although it also doubles up as a lubricant for the pumps, carburetors, injectors, valves, and other parts of the fuel system to ensure that you get the maximum from your car without using the maximum amount of fuel.

Whether your car has a diesel engine or a gasoline engine, this product is designed for compatibility with either of these engines. That said, you can use it for your car, truck, boat, or any other engine running on these fuels.

It’s a simple use kit so anyone should get the best out of the kit whether they have interacted with it before or not. Besides cleaning and lubricating, this unit will combat any problems caused by using low sulfur fuels.

Why You Should Buy It:

  • It doesn’t contain any harmful content.
  • It is very inexpensive.
  • It is very easy to use.
  • It cleans and protects.

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Frequently Asked Questions

Do fuel injector cleaners really work?

Yes. However, you might not see the results with first-time use. Therefore, to ensure that they remove all build-ups in the fuel system and maintain it in top condition, consider using them regularly.

How do I know if my fuel injectors are clogged?

There are many indicators of clogged fuel systems. The most common signs include high fuel consumption, problems starting the engine, and difficulties in acceleration and idling.

Should you replace all fuel injectors at once?

In case you installed all the injectors around the same time, one injector failing is likely to be an implication that others are on their way out too. Therefore, it’s better to replace all the injectors at once to avoid other similar problems in the near future. Also, replacing them at the same time is more economical than substituting one at a time.

How many miles do fuel injectors last?

The lifespan of fuel injectors will vary between 50 000 miles and 100 000 miles depending on the quality of the gas it utilizes and how often you change the filters. Also, it will rely on how often you clean them.

Will new fuel injectors improve performance?

It depends on the cause of decreased performance. If they were the major cause of poor performance, changing them will bring a notable change in performance. However, if they weren’t, it’s hard to get visible results.

Final Verdict

Fuel injector cleaners are a simple way of improving and keeping the performance of your vehicle in top form.

Also, they are an inexpensive way of promoting fuel economy and combating a variety of fuel system-related issues.

That’s why we advise you to always keep one of our hand-picked options in your car.

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Last update on 2023-09-30 / Affiliate links / Images from Amazon Product Advertising API

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