A fuel injector is one of the most important components of your car since it regulates the amount of fuel used. Consequently, they determine how your engine performs. It is important that you regularly clean your fuel injector so that it does not clog at any given point. The best way to do this is by using the best fuel injector cleaner.

Cleaning your injector enhances fuel efficiency, mileage, and overall vehicle performance. This means that having the right injector cleaner will cut down on maintenance cost. We know how just difficult finding the best cleaner can be. We have, therefore, reviewed 10 best injector cleaner brands to make it easy for you to come up with the best decision.

Best Fuel Injector Cleaner Comparison Table

Best Fuel Injector Cleaner FAQs

We answered some of the frequently asked questions to help you choose an injector cleaner that will best satisfy your needs.

1. What Is a Fuel Injector Cleaner?

2. What Does a Fuel Injector Cleaner Do?

3. How Does a Fuel Injector Cleaner Work?

4. Where Can You Buy the Best Brand?

5. How Often Should I Use a Fuel Injector Cleaner?

How We Reviewed

We compared and contrasted include features, pros & cons, price, where to buy and the performance of each product on our list. The 10 injector cleaner brands listed below are what stood out.

Overall Price Range of Fuel Injector Cleaners

It appears that the best fuel injector cleaner brands are very affordable. The Red Line 60103-12PK Complete SI-1 slightly surpasses this mark to cost at very low price. This price difference could be due to features that guarantee high performance. For instance, expensive cleaners are highly concentrated to work efficiently even on old and idle injectors.

What We Reviewed

  • Liqui Moly 2007 Jectron Fuel Injection Cleaner
  • Chevron Techron Concentrate Plus Fuel System Cleaner
  • STP Super Concentrated Fuel Injector Cleaner
  • Gumout 510013 High Mileage Fuel Injector Cleaner
  • Lucas 10003 Injector Cleaner
  • Motorcraft PM6 Fuel Injector Cleaner
  • BG 44K Fuel System Cleaner
  • Red Line 60103-12PK Complete SI-1 Fuel System Cleaner
  • Royal Purple 18000 Max Atomizer Fuel Injector Cleaner
  • Sea Foam sf-16 Motor Treatment
Liqui Moly 2007 Jectron Gasoline Fuel Injection Cleaner - 300 ml
  • Eliminates starting problems, hesitation and stalling
  • Smoother idling
  • Better throttle response

Features 

​Liqui Moly 2007 Jectron is the best fuel injector cleaner that works on vehicles that have been under heavy use. It is also ideal for engines that have not been in use for a while. It eliminates starting issues, hesitation and stalling problems. This fuel injector cleaner gives a better throttle response and a smoother idling.

PROS

  • High cleaning power
  • Greatly minimizes emissions and fuel use
  • Safe and comfortable to use
  • Ideal for catalytic converters and oxygen sensors

CONS

  • Works only with gasoline engines
  • Small bottle size

Performance

This cleaner has high performance. It is capable of cleaning fuel injectors without removing them. It cleans the intake valves and improves fuel efficiency thus restoring the engine's performance and durability.

Chevron Techron Fuel Injector Cleaner - 20 oz.
  • Cleans clogged fuel injectors that can cause hesitation or loss of power
  • Can help restore lost fuel economy
  • This product will not contribute to deposit-related engine knock, ping and run-on

Features 

​This is the best fuel injector cleaner for light trucks, passenger vehicles, and even boat engines. It cleans the entire fuel system: not just the injectors. This fuel system cleaner has a proprietary deposit breakdown additive which effectively eliminates sulfur substances. It thoroughly cleans clogged fuel injectors to minimize hesitation or loss of power.

PROS

  • Has strong cleaning power
  • Helps to restore lost fuel economy
  • Safe for oxygen sensors and catalytic converters
  • Improves acceleration, cold start performance, and fuel stability
  • Reduces engine hesitation, rough idling and engine surge

CONS

  • Is not to be used constantly
  • I not as environmentally friendly as other injector fuel cleaners
  • Not ideal for diesel engines and 2-stroke air-cooled gasoline engines

Performance

This cleaner enhances fuel efficiency, engine performance, restores lost acceleration, and it minimizes emissions and deposit linked ping and knock.

STP 78577 Bottles Super Concentrated Fuel Injector Cleaner (5.25 fl....
  • Unclogs dirty fuel injectors to restore performance
  • Helps restore lost power and acceleration
  • Removes harmful deposits

Features 

​When using this fuel injector cleaner, you do not have to remove your fuel injectors. It can be added to your fuel tank, and it unclogs dirty fuel deposits to restore their performance. The cleaner is compatible with cap-less gas systems and saves gas. In addition, it increases oil pressure and fuel economy.

PROS

  • Can be used as a fuel additive and still remove clogs
  • Eliminates harmful deposits
  • Restores lost power and acceleration
  • Minimizes gas consumption
  • Is super concentrated

CONS

  • Small bottle capacity
  • Kerosene can damage the engine

Performance

This fuel injector optimizes performance to up to 3-4MPG. It is the best fuel injector cleaner to use on any vehicle model.

Gumout 510013 High Mileage Fuel Injector Cleaner, 6 oz.
  • Removes carbon deposits from engines with over 75,000 miles
  • Prevents future carbon buildup on port/indirect fuel injectors, intake valves, and ports
  • Maximizes performance and fuel economy

Features 

​As the name suggests, Gumout 510013 is ideal for high mileage vehicles. It works effectively to remove tough carbon deposits from engines with over 75,000 miles. Furthermore, it prevents any farther carbon buildup on the injectors, intake valves, and ports. It is the best fuel injector cleaner when it comes to reducing emissions and improving throttle response and gas mileage.

PROS

  • Enhances fuel economy
  • Eliminates carbon deposits
  • Enhances easy cold engine startup
  • Safe on oxygen sensors
  • Ideal for turbocharged and supercharged vehicles

CONS

  • Does not enhance engine smoothness
  • Small bottle

Performance

This fuel injector cleaner guarantees good engine performance and fuel economy. It reduces greatly the emission of hydrocarbon and carbon monoxide.

Lucas 10003 Upper Cylinder Lubrication & Injector Cleaner 32 oz.
  • Lucas oil, use it to pass smog tests
  • A blend of super slick oils and additives with a high detergent action that allows the engine to operate at maximum...
  • Automotive oil & gas treatments

Features 

Lucas 10003 is the best fuel injector cleaner for both diesel and gasoline engines. It works well on carburetors and fuel injectors alike. In addition, it incorporates super slick oils and additives that contain a high detergent action that make the engine operate efficiently. It reduces harmful emissions as well as neutralizing the harmful effect of sulphur.

PROS

  • Maximizes fuel economy
  • Works on both diesel and gasoline engines
  • Ideal for passing smog tests
  • Restores lost power and acceleration
  • One bottle can clean up to 10 gallons of gasoline

CONS

  • Tends to reduce the MPG of your vehicle
  • Has low cleaning power
  • No difference in performance and mileage

Performance

In addition to being a cleaner, Lucas 10003 works as a fuel conditioning agent as well. It therefore revitalizes the fuel system to work effectively. It also improves the durability of your fuel injectors and pumps.

Motorcraft PM6 Fuel Injector Cleaner
  • Motorcraft PM6 Fuel Injector Cleaner [Automotive]

Features 

​This is the best fuel injector cleaner known to eliminate that hard-to-bear knock coming from your engine. It contains safe, highly concentrated chemicals that remove all the deposits in your injector and intake valves. This is specifically designed to reduce engine knock and in the process enhance gas mileage.

PROS

  • Enhances acceleration
  • Maximizes fuel economy
  • Good performance
  • Easy and safe to use
  • Has a strong fuel cleaner formulation

CONS

  • Does not make engine smooth
  • The bottle leaks

Performance

The cleaner is highly concentrated and cleans well.

BG 44K Fuel System Cleaner 4 Pack
  • Rapidly Cleans Fuel Injectors, Valves and Combustion Chambers
  • One can treats up to 20 gallons of gasoline
  • For gasoline engines only

Features 

​For a faster and great performance, BG 4K is the best fuel injector cleaner you could choose. It contains a quick action formula that quickly cleans your fuel injectors, combustion chambers, and intake valves. It includes high flush Naphtha power which eliminates chemicals that deposit in the engine. Additionally, this cleaner maximizes power output and minimizes stalling, engine surge stumble, power loss, and engine hesitation.

PROS

  • One bottle cleans 20 gallons of gasoline
  • Restores the performance of the gas tank
  • Alcohol-free thus compatible with all types of fuels and fuel additives
  • Improves drivability
  • Safe on oxygen sensors and a catalytic converter

CONS

  • Compatible with only gasoline engines
  • Does not improve mileage

Performance

This cleaner guarantees a faster cleanup of harmful substances present in the fuel as well as unclogging injectors and valves, thus rejuvenating your car's fuel system. It saves gas and restores the power of your engine for a smooth operation.

Red Line 60103-12PK Complete SI-1 Fuel System Cleaner - 15 Ounce,...
  • Cleans injectors and carbs to like-new efficiency
  • Lubricates upper cylinder and valves
  • Prevents fuel system rust and cleans intake valve deposits

Features 

This, to most users, is the best fuel injector cleaner because, apart from cleaning the fuel system, it prevents moisture and substance buildup. It is a high-quality cleaning agent as it contains up to 50% verified PEA (Polyether Amines). The cleaner is flexible, as it was formulated to withstand both low and high engine temperatures. It works by cleaning clogged injectors and carburetors as well as lubricating the upper cylinder and the valves.

PROS

  • Minimizes the need for octane with up to 2 points.
  • Ideal for idle engines
  • Powerful and non-abrasive
  • Reduces pre-ignition and run-on

CONS

  • Suitable only for gasoline engines
  • There is no increase in fuel economy
  • Can be expensive

Performance

Red Line 60103-12PK Complete SI-1 is referred to as a ‘product that improves a vehicle's performance.' It is capable of eliminating unwanted substances, moisture, carbon, lacquer rust leaving your fuel system revived.

Royal Purple 18000 Max Atomizer Fuel Injector Cleaner - 6 oz.
  • Restores fuel economy
  • Stabilizes ethanol
  • Maximizes horsepower

Features 

This is another best fuel injector cleaner that works with both gasoline and diesel engines. It improves throttle response and stabilizes the fuel when in storage and during an off-season. This cleaner has gets deep into the fuel system cleaning the injectors, intake valves, carburetors, and combustion chambers. It is also capable of reducing engine knocking and pinging while maximizing horsepower.

PROS

  • Restores fuel economy
  • Ideal for 2 cycle and 4 cycle engines
  • Reduces emissions
  • Compatible with both diesel and gasoline engines

CONS

  • Poor packaging
  • No mileage improvement

Performance

This additive contains synthetic ingredients that guarantee high performance in cleaning the whole fuel system.

Sea Foam 1 Pack (16 Ounce) Extreme Marine & Rv SF-16 Seafoam Liquid 16...
  • Cleans injectors, carb jets and passageways
  • Cleans and lubricates intake valves, pistons and cylinders
  • Dissolves and cleans fuel residue in fuel systems

Features 

Sea Foam sf-16 is one of the best fuel injector cleaner brands due to its cleaning capabilities. It can be used on both gasoline and diesel, 2-stroke or 4-stroke engines. It contains a natural oil-based solvent which cleans and lubricates your engine and carburetors. It is suitable for removing varnish, carbon, and other engine deposits as well as preventing buildup.

PROS

  • Versatile
  • Suitable for high mileage and old engines
  • Easy to use
  • Approved by EPA
  • A 100% petroleum cleaner
  • Stabilizes fuel

CONS

  • No fuel mileage improvement
  • Does not work well in motor oil

Performance

This cleaner contains naphtha ingredients that make its cleaning and lubrication performance commendable.

The Verdict

Image via Amazon

Every car owner knows how important it is to maintain their car. Among other things, the engine of your car must be in good condition for you to drive smoothly. As we have seen, one way of achieving this is by cleaning your fuel injector with not just any, but the best fuel injector cleaner.

Based on our review, Lucas 10003 and Royal Purple 18000 Max Atomizer are the best. For one, they are compatible with both diesel and gasoline engines. They also clean the fuel system with ease and guarantee amazing performance.

Featured Image: Image via Amazon

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