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Best Fuel Injector Cleaner 2021 – Top 10 Ranked Reviews

Do you want to improve your vehicle’s performance?Are you worried about low gas mileage and hard starts? We can help you find the best fuel injector cleaner!

Everyone wants to prevent unnecessary accumulation of debris in their fuel system. In this article, we’ve shortlisted some of the best fuel injector cleaners in the market.

Let us begin!

fuel injector cleaner review

Best Fuel Injector Cleaner Comparison Table

9.4 x 3.5 x 3.3
5 out of 5 stars (5 / 5)
7.2 x 5.8 x 4.9
4.8 out of 5 stars (4.8 / 5)
Red Line
10 x 2.3 x 2
4.5 out of 5 stars (4.5 / 5)
11.2 oz
1.5 x 4.6 x 7.9
4.5 out of 5 stars (4.5 / 5)
11.2 oz
Liqui Moly
7.5 x 2.2 x 2.2
4.5 out of 5 stars (4.5 / 5)
Royal Purple
2.6 x 2.6 x 9.7
4.5 out of 5 stars (4.5 / 5)
0.16 oz
Gum out
8.6 x 1.7 x 1.7
4.2 out of 5 stars (4.2 / 5)
9.5 x 3.5 x 3
4.6 out of 5 stars (4.6 / 5)
8 oz
8 x 2.5 x 2.5
4.8 out of 5 stars (4.8 / 5)
Sea foam
10 x 10 x 5
4.7 out of 5 stars (4.7 / 5)

Top 10 Best Fuel Injector Cleaner On The Market 2021 Reviews

1 Chevron Techron Concentrate Plus Fuel System Cleaner

Thanks to its concentrated formula, the Chevron Techron Concentrate Plus is one of the best fuel system cleaners you can find! It can protect and maintain the entire fuel system for a long time. Also, intake valves and combustion chambers are cleaned up!

Manufactured by Chevron, this product is guaranteed to keep your fuel system maintained and working efficiently.

Are you annoyed by deposits of gasoline? Since gasoline is made of hydrocarbons, this formula works by breaking down molecular structures.

Do you want to know more?

This fuel system cleaner considerably decreases the intensity of toxic emissions released by engines. As a result, the overall performance of the car improves instantly. It is even suitable for older engines.

It is incorporated with additive fuel technology. This is known to be trusted by automobile manufacturers as well as mechanics. Remember, it is recommended to be used after every 3000 miles.

Chevron Techron Concentrate Plus Fuel System Cleaner
Our rating:5 out of 5 stars (5 / 5)


  • It is an excellent cleaning agent for fuel systems.
  • From older models to modern vehicles, it is compatible with all sorts of cars.
  • In terms of affordability, it is one of the cheapest products you can find.
  • The Chevron Techron Concentrate can help to ensure maximum fuel economy.


  • The high concentration of PEA can be an issue for some engines, especially old ones.

2 LUCAS LUC10013 Fuel Treatment

Boasting a useful blend that also acts as a lubricating agent for the fuel system, the Lucas LUC10013 will not disappoint. The most interesting part is that this product can be used in diesel as well as gasoline engines!

You will also notice that with time, the durability of your engine will increase. Lucas fuel system cleaner works its magic by improving fuel efficiency. Therefore, power increases and fuel consumption is reduced. This is due to its high detergent action. What more could you expect?

If there is a problem of low sulfur in your fuel, then this product will prove to be a helpful one! It can be used in all types of diesel engines from non-road to locomotive. For engines that require leaded fuel, the Lucas LUC10013 replaces the benefits of lead.

The catch here is that you can even use it to pass smog tests! So, what are you waiting for? Are you ready to purchase this flawless fuel injector cleaner?

LUCAS LUC10013 Fuel Treatment
Our rating:4.8 out of 5 stars (4.8 / 5)


  • It maximizes power by burning excess exhaust emissions.
  • With this product, you can increase the life of your pumps.
  • The overall mileage will improve to a great extent.
  • Your vehicle’s performance will become smoother with time.


  • At times, it can plug your injectors.

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

Made of the best quality ingredients, the Red Line Complete Fuel system cleaner is truly one-of-a-kind. This fuel injector cleaner is popular for its impeccable abilities. It can clean almost any type of fuel injector and engine upon application, even GDI. Also, carburetors and valves are kept as good as new!

Want to know what this item is comprised of? It contains polyether amines. Polyether amines are recognized to be very effective cleaning agents for fuel injectors. As a result, the overall performance of the engine can improve tremendously. In short, the formula is trustworthy.

Designed to be safe for your car, it is one of the best fuel injector cleaners money can buy! Are stubborn residues stressing you out? Don’t worry; this product can wipe out the most irritating kind of dirt. It can be used with oxygenated fuel, and you can trust it to be used continuously.

It can help to reduce fouled plugs. Moreover, any kind of leakage is prevented with this product. Sounds like a deal you can’t reject, is that right?

Red Line (60103) Complete SI-1 Fuel System Cleaner
Our rating:4.5 out of 5 stars (4.5 / 5)


  • It is concentrated so you can keep utilizing it for a long time.
  • This product is compatible with almost any type of vehicle.
  • The Red Line Complete Fuel system cleaner shows 100% efficiency in one treatment.
  • Synthetic cylinder lubricants assist in protecting the cylinders of your car.


  • The mileage of your vehicle may be reduced.

4 STP 78577 Bottles Super Concentrated Fuel Injector Cleaner

By offering a deep cleaning action, the STP 78577 Bottles can dissolve any kind of irksome deposits that may have accumulated in your engine. These include gum, varnish, and carbon deposits. Also, it can save gas and restore lost power. It can even work with cap-less gas systems.

Made of jet fuel, which is a high-quality carrier of active materials, this product is bound to impress. It is surprisingly versatile and works with most modern engines. Due to the high concentration of detergents, it works well at removing grime. Isn’t that some good news?

It is recommended to add one ounce of this product after every oil change. You can use this product in a variety of vehicles. These include SUVs, trucks, all-terrain vehicles, motorcycles as well as cars. However, remember not to use it in diesel engines.

Even during the coldest of winters, this fuel injector cleaner can keep moisture from freezing up. This product is miraculous! The PEA content remains low, which makes it safe for most engine components. Also, do not miss out on the double pack! What more can one ask for?

STP 78577 Bottles Super Concentrated Fuel Injector Cleaner
Our rating:4.5 out of 5 stars (4.5 / 5)


  • PEA content is low, which is advantageous for the engine.
  • It is considered safe for oxygen sensors.
  • The highly enhanced formula contains jet fuel.
  • Its price is quite reasonable.


  • Do not use it with diesel engines.

5 Liqui Moly 2007 Jectron Gasoline Fuel Injection Cleaner

Created with premium ingredients, the Liqui Moly 2007 Jectron Gasoline Fuel Injection Cleaner is a pro at removing all sorts of contaminants. Started in 1957, Liquid Moly is present exclusively in Germany. The brand has been around for almost 60 years, which makes it quite experienced in manufacturing automotive chemicals.

Do you wish to eliminate starting problems? Then, you can trust this product to be your savior! Plus, your vehicle will be prevented from stalling. When it comes to throttle response, it is one of the best products.

This product can restore your engine to its original performance. It does not only get rid of dirt but also eliminates deposits in the pipes. Therefore, the efficiency of the engine is increased.

Another interesting thing is that this formula is environment-friendly. Its combustion does not cause pollution. This particular factor makes this fuel injector cleaner highly desirable.

The consumption of fuel is also reduced. The Liqui Moly 2007 Jectron Gasoline Fuel Injection Cleaner is recommended, especially for engines with catalytic converters. Moreover, this brand is also popular for its quality inspections.

Liqui Moly 2007 Jectron Gasoline Fuel Injection Cleaner
Our rating:4.5 out of 5 stars (4.5 / 5)


  • With this product, rough idling, as well as hesitation, is reduced.
  • The engine starts to run more smoothly.
  • Vehicle mileage can be increased.
  • It promotes accurate fuel atomization and injector fueling.


  • It can create an issue with check engine lights.

6 Royal Purple Max-Clean Fuel System Cleaner & Stabilizer 11722

Safe for use in gasoline as well as diesel engines, this unit can deeply penetrate the injector and hence clean it out. With the Royal Purple Max-Clean Fuel System Cleaner, protection can be maximized.

It is incorporated with Max clean technology. It mainly focuses on cleaning the combustion chamber and the intake system. Supercharged, turbocharged and naturally aspirated engine – you name it, and this product will deliver.

Recommended for ethanol blends, each container can work with almost twenty gallons of fuel. It can be used in four-cycle and two-cycle engines. Specialized emissions equipment remains safe and unharmed. The emissions of carbon monoxide and oxides of nitrogen can be reduced.

Easy to use, it can provide recognizable advantages in engine performance. As mentioned earlier, the fuel economy can also be increased. Premature spark plug fouling is prevented tremendously, and ultimately, overall horsepower improves.

Royal Purple Max-Clean Fuel System Cleaner & Stabilizer 11722
Our rating:4.5 out of 5 stars (4.5 / 5)


  • The use of this product results in accurate readings on the dashboard.
  • Your drive will remain smooth and hassle-free.
  • It puts back the engine to its original state quite easily.
  • The risk of misfire is low.


  • Its effect does not last for a very long time.

7 Gumout 510013 Fuel Injector Cleaner, 6. Fluid_Ounces

Specially formulated to remove carbon deposits from engines, the Gumout 510013 Fuel Injector Cleaner prevents the build-up of carbon in fuel injectors. Not only this, but intake valves and ports remain protected as well.

It is not hard to judge that this formula is engineered mainly for high mileage vehicles. It can last for up to 75000 miles. The performance of the vehicle is amplified, and the fuel economy is also increased. Harmful emissions are reduced.

Here is another intriguing fact. One of the features of this injector cleaner is the advanced PEA cleaning agent. This is proof of the point that it is indeed one of the best fuel injector cleaners on the market. It is safe for oxygen sensors, which adds to its reliability.

The other parts it can clean include combustion chambers, piston tops, and cylinder heads. Quite a variety, don’t you agree? The upper cylinders remain lubricated as friction is minimized, and the overall horsepower is upgraded automatically. Doesn’t that excite you? Time to take your wallet out!

Gumout 510013 Fuel Injector Cleaner, 6. Fluid_Ounces
Our rating:4.2 out of 5 stars (4.2 / 5)


  • It can be used in turbocharged and supercharged vehicles.
  • The size of the Gumout 510013 Fuel Injector Cleaner is 6 ounces.
  • Engine vibration in idle mode is reduced.
  • Acceleration and throttle response gets better.


  • It does not work very well with some vehicles.

8 Chevron Techron Fuel Injector Cleaner

Available at an affordable price, the Chevron Techron Fuel Injector Cleaner is popular for cleaning heavily clogged fuel injectors. Therefore, the loss of power does not take place. It is not as concentrated as some of its competitors; however, it still does the job!

To solve problems related to fuel injectors, it is most suitable to use this bottle after every 1000 miles. Hence, the accumulation of deposits in intake valves and combustion chambers is prevented. Automatically, the performance and horsepower of the vehicle will improve. Lost power is also restored.

It also removes moisture from the fuel system.

Do you want to know what the advantage of that is?

It prevents freezing in the gas line even during the most bitter winters. You will observe noticeable changes only after one treatment. Fuel efficiency will also improve.

If you are on a specific budget, then this is a product that will surely cater to your needs! The techno technology incorporated in this formula works flawlessly at removing deposits. A bottle is sufficient to treat around 12 gallons of fuel. You can also use it with two-stroke engines!

Chevron Techron Fuel Injector Cleaner
Our rating:4.6 out of 5 stars (4.6 / 5)


  • The cleaning ability of this product is exquisite.
  • Chevron Techron Fuel Injector Cleaner is a budget-friendly option.
  • Boosting mileage is one of the predominant features.
  • Your vehicle will perform better with this product.


  • The way it is packed and delivered is an issue.

9 Motorcraft PM6 Fuel Injector Cleaner

Formulated with a high strength blend of chemicals, the Motorcraft PM6 Fuel Injector cleaner is truly distinctive. Due to its fuel-friendly formula, it is one of the top fuel injectors cleaners available out there. This item works with most kinds of vehicles.

Specially designed for decreasing engine knock, Motorcraft has fostered several positive reviews for this product. The days of knocks coming from your hood are over! During this whole process of removing irritants and dirt particles, the gas mileage of your car will be enhanced.

Your ride will become much more enjoyable and peaceful. Therefore, you can enjoy peace and play some relaxing music! This unit also comes under the list of items that are easy on the pocket. Hence, if you have a limited budget, then your knight in shining armor is here!

It promotes the engine to work more properly. You can use it any time during the process of oil change. The cleaning performance of the Motorcraft PM6 Fuel Injector cleaner is bound to impress any customer. Are you ready to join the club?

Motorcraft PM6 Fuel Injector Cleaner
Our rating:4.8 out of 5 stars (4.8 / 5)


  • It is a premium product that is reasonably priced.
  • The Motorcraft PM6 Fuel Injector cleaner is user-friendly.
  • No professional assistance is required with this product.
  • The capacity of this item is 12 ounces.


  • The bottle does not have a large capacity all.

10 Sea Foam SF-16-2PK Motor Treatment Multi-Use

Providing a lubricating effect is one of the most predominant features of this Sea Foam by Moto treatment. What sets this item apart from other brands is its ability to remove the stickiest residues. It dissolves deposits that are found in fuel injectors, carburetors, and combustion chambers.

By resisting evaporation, it plays a role in stabilizing stored fuel. Thus, the formation of ignition vapors is avoided. Small amounts of moisture are also dissolved. As a result, gum and varnishes are not formed. The engine is kept free from contaminants. At the same time, the upper cylinders are kept lubricated. The entire fuel system is protected from corrosion.

It does not matter if it’s a diesel or gasoline engine – it will give excellent results. In terms of speed, it is a fast fuel injector cleaner when compared with many others. The formula consists of 100 percent pure petroleum.

The foam has to be sprayed, so the application process might be a little tricky. However, this does not take away the countless advantages offered by this product. So, what do you think about this amazing item?

Sea Foam SF-16-2PK Motor Treatment Multi-Use
Our rating:4.7 out of 5 stars (4.7 / 5)


  • Money that is spent on repairs is saved.
  • Car mileage and engine performance can improve substantially.
  • You can utilize it for lawn equipment.
  • It is EPA registered.


  • The packaging of this product is not very reliable.

Best Fuel Injector Cleaner Buying Guide

What are the features that make a fuel injector cleaner a must-have for your vehicle? Have you ever wondered about this? One cannot purchase a product without being equipped with facts and figures.

A lot of people wait until their car starts to show signs of disruption. However, it is better to take preventative measures before it gets too late. It’s better to be safe than sorry! In this section, we will discuss which features are integral.

best fuel injector cleaner guide


We all are aware of the fact that carbon deposits can become a nuisance over some time. The build-up of these can slow down your engine. As a result of clogging, the performance of the car can be hindered.

When you’re searching for a car injector cleaner, make sure to find an item that has ingredients to counter carbon residues. This ingredient is termed as PEA. It acts as a dissolving agent for carbon, and then they can be flushed out by your vehicle.

Lubrication Ability

Lubrication ability is a quality that makes a particular fuel injector cleaner stand out from its competitors. The function is similar to motor oil. Once a lubricating agent enters the engine, it has a positive impact on other parts as well.

Parts such as valves, as well as pumps, keep on functioning smoothly. Due to this effect, the accumulation of carbon decreases. As a consequence, less harmful emissions will be released. You will observe that the engine parts will experience less friction.

Do not forget that colder climate means more carbon build-up. Therefore, it is mandatory to buy a fuel injector cleaner with lubrication properties.


The size of the container and how it works is something that you should also remember when looking for the perfect fuel injector cleaner. Buying in bulk can save a lot of money. Who wouldn’t want that, right?

You can use some containers with a full tank of gas. Sounds much better, is that correct? If you use smaller bottles, it means that you do not have to spend time on measuring the liquid in cups. It becomes a hassle-free procedure. Now you know what to look for in your next shopping spree!


Finally, the part you all have been waiting for, which is the final verdict! From our curated list of top contenders of fuel injector cleaners, the winner is Chevron Techron Concentrate Plus Fuel System Cleaner!

The concentrated formula is the main reason behind its astounding cleaning properties. Not only the fuel injectors, but the entire system remains protected. Forget about visits to the workshop! This is the best solution to keep your car in great shape.

Best of luck with your search.

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