9 Best Fuel Injector Cleaners for Your Car

(Updated on January 21, 2021)

Fuel injectors are commonplace in most modern vehicles and work as a way of pumping fuel into the engine at precisely the right time and right amount. As a result, they are critical in the performance of your vehicle and regularly cleaning them is essential for keeping your engine running smoothly, efficiently, and noise free.

Using the right fuel injector cleaner will help reduce fuel system related problems that may crop up and improve your vehicle’s overall performance. But with so many fuel treatment products on the market, choosing the best fuel injector cleaner for your car or truck is actually more difficult than using it.

We’ve done the research for you and below we list what we believe are the top fuel injector and fuel system cleaners available today. Instead of replacing what you believe to be faulty injectors, give one of these a shot first.

See Also: Best Catalytic Converter Cleaners

Top 9 Fuel Injector Cleaners 

1) Chevron Techron Concentrate Plus Fuel System Cleaner

fuel injector cleaner reviewsChevron’s name is held in high regard throughout the automotive industry and their all-in-one Techron Concentrate Plus is an excellent choice for cleaning your cars fuel injection system.

This 3-in-one solution works on your entire fuel intake system and will clean pretty much any engine your throw at it, from cars to trucks to ATVs and motorcycles.

Its patented formula will help reduce mis-fires, engine noise, and start-up problems while at the same time improve your fuel economy.

2) Red Line SI-1 Complete Fuel System Cleaner

Redline SI-1 fuel system cleaner

Red Line makes some of the most popular fuel additives on the planet and their SI-1 fuel system cleaner is one of the most recommended fuel injector cleaners on the market.

The patented formula includes synthetic upper cylinder lubricants ensuring your engine is optimized and running at peak performance from the very first application. Better yet, the bottle generally contains two applications making this option a cost-effective way of keeping your vehicle in tip top condition.

3) Liqui Moly 2007 Jectron Fuel Injector Cleaner

Liqui Moly Jectron reviewLiqui Moly is another option many auto enthusiasts swear by for cleaning out their fuel injectors and keeping intake valves clean.

This affordable fuel additive from Germany is aimed at all fuel-injected vehicles and will clean out your entire fuel intake system, including the combustion chamber.

As a result, Liqui Moly will effectively reduce start-up issues and recover lost performance.

4) Royal Purple Max-Clean Fuel System Cleaner

Royal Purple Max-Clean fuel system cleaner reviewRoyal Purple, known for their excellent line of synthetic motor oil, also has a powerhouse of a fuel system cleaner with its Max-Clean product. It’s aimed at not only increasing the performance of newer engines but also bringing higher mileage engines back to peak performance.

It’s three-in-one formula may help solve all kinds of problems like stalling, hesitation, engine noise, and more, but at the same time improve throttle response and performance.

5) BG Platinum 44K Fuel System Cleaner 

BG 44K fuel system cleaner reviewBG 44K fuel injector cleaner is easily one of the best injector cleaners on the market. A bit more expensive than others, the brand has been synonymous with engine performance for decades and it shows.

Exclusively designed for gasoline engines, it works incredibly well at cleaning all parts of the fuel intake system from fuel injectors, valves, combustion chamber and everything in between. BG Platinum 44K’s patented formula will also protect your engine from rust and prevent residues settling inside the injectors.

6) Lucas Fuel Treatment

Lucas fuel injector cleanerLucas Fuel Treatment offers more than just fuel injector cleaning. Its patented formula is more of a fuel conditioning agent and completely rejuvenates your fuel system from top to bottom.

It is a master at locating blockages and other build-up and burning them away to return your engine to that just out of the car lot performance.

Lucas Fuel Treatment can also work as a lubricant for your fuel system ensuring that injectors transport gas more effectively. The 1-gallon container is one of the best values around.

7) STP Super Concentrated Fuel Injector Cleaner

STP concentrated fuel injector cleanerSTP’s Super Concentrated Fuel Injector is an inexpensive option to help unclog dirty injectors. As with most other cleaners, you simply add it to your gas tank (cap or cap-less systems) and it starts working on your very next drive.

One 5.25 ounce bottle of STP concentrate treats up to 21 gallons of fuel. It’s not a miracle product but it will gradually clean your fuel system to help restore lost performance and likely improve your gas mileage.

8) Gumout High Mileage Fuel Injector Cleaner

Gumout high mileage fuel injector cleanerGumout’s fuel injector cleaner is another additive that stays in your engine for longer and continuously lubricates your fuel system weeks after use. As a result, it continues to reduce sediment and stubborn carbon deposits that could otherwise form when other fuel cleaners have long since burned out.

As you would expect, Gumout cleaner reduces emissions while maximizing fuel economy. It won’t harm your O2 sensor and is safe to use in turborcharged and supercharged engines.

9) Motorcraft PM6 Fuel Injector Cleaner

Ford Motorcraft fuel injector cleanerRecommended for Ford cars and trucks, Motorcraft PM6 Fuel Injector Cleaner features a unique blend of engine and fuel friendly chemicals in a high-strength formula that will remove valve deposits and reduce engine noise, while improving performance and fuel economy.

Motorcraft is a well-known brand by Ford owners but works fine for other vehicles as well. PM6 fuel injector cleaner is a real powerhouse and is gaining a reputation for its effectiveness in treating fuel related issues.

Closing Thoughts

Your engine’s fuel injection system is a key component to engine efficiency and performance and keeping it clean and free of deposits is essential. If you are looking for the best fuel injection cleaning products out there, start with our recommendations above.

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