Best Fuel Injector Cleaner Reviews of 2019

Fuel injector cleaners are incredibly useful products that you cannot ignore in the maintenance process of your car. They have been around for quite some time, but not everyone knows the importance of using them. The internal condition of a car’s motor depends on the frequency of the fuel injection cleaning actions.
In order to ensure that your engine has a clean injection system, you must understand the importance of the cleaning cycle and the way that unwanted residue gathers in this system.
When you choose to ignore the engine’s need for repeated injection cleaning, there are several consequences that you must be prepared to face. Misfires, an increase in fuel consumption, a rough idle or weird knockings are just a few of the most important issues that could appear in this case.

PreviewNamePriceMore Details
BG 44K Fuel System Cleaner$Click Here
STP 78577 Super Concentrated Fuel Injector Cleaner$Click Here
Chevron 65740 Techron Concentrate Plus Fuel System Cleaner$Click Here
Royal Purple 11722 Max-Clean Fuel System Cleaner$Click Here
Red Line (60103) Complete SI-1 Fuel System Cleaner$Click Here

Why is it important to use a fuel injector cleaner?

Using a high-quality fuel injector cleaner is not only cost efficient, but also incredibly helpful for your car. You can maximize its potential, optimize the way the engine is injected with fuel and turning the entire injection system into an efficient one that will not let you down. By choosing the best products and avoiding those that are not compatible with the model of your engine, you protect your car and yourself.
A fuel injector cleaner product has the ability of cleaning blocked injectors, of improving the opening and closing of the injectors, as well as preventing the leaks in the fuel injectors. More than that, such products prevent the injectors against rust and overheating.
If you know the importance of a good fuel injector cleaner and you are looking to buy the best product that the market has to offer, you have come to the right place. We have reviewed 5 of the best-selling fuel injector cleaners in order to help you make a good decision that is worth your money.

Check out the 5 products below:

1. BG 44K Fuel System Cleaner

BG 44K Fuel System Cleaner

If you are looking for a fuel system cleaner that is extremely effective and created for frequent use, you should put this one on the top of your list. It is ideal for cleaning the injectors, combustion chambers and valves and can be combined with up to 20 gallons of gasoline quickly and effortlessly.
If you make heavy use of your car and your mechanic made it clear to you that the fuel system in your car is filled with engine surge, corrosive deposits or rust, this product will help you unblock the injectors and clean the entire injection system easily, by removing the unwanted deposits that affect the performance of your car. More than that, it was proven that this product improves drivability.

What’s to like?

  •  It is affordable
    It has an 11 ounce capacity
    It is ideal for the maintenance of injectors, combustion chambers and valves
    It can treat up to 20 gallons of gasoline
    It does not contain any alcohol
    It melts corrosive deposits in no time
    The substances it contains are compatible with most car engines

What’s not to like?

  •  It is designed for frequent use, which could mean quite a large investment for someone who wishes to maintain the injection system regularly.
    It is pricier than most injector cleaners

2. STP 78577 Super Concentrated Fuel Injector Cleaner – 5.25 fl. oz.

STP 78577 Super Concentrated Fuel Injector Cleaner

This is the right product for your needs if you are looking for a fuel injector cleaner that is concentrated, efficient and cheap. The producer offers a pack of two bottles of 5.25 ounces at a very convenient price. From a technical point of view, this product offers great value for money, as it restores the performance of the engine immediately; it is able to remove old deposits and improve the fuel consumption of your car.
The great thing about this product is that it is compatible with gas systems that are cap-less, by comparison with other similar cleaners. It is ideal for off-road vehicles, utility cars, sports cars, motorcycles, cruisers, motor-scooters and even snowmobiles. This product is able to remove deposits of carbon, varnish or gum from the fuel injection system, improving performance and acceleration.

What’s to like?

  •  It is affordable
    It comes in a pack of two
    It is concentrated
    It is O2-sensor compatible
    It does not have an expiration date
    It competes with renowned brands easily
    It is compatible with most vehicle engines, including off-road and very large engines

What’s not to like?

  •  The capacity of the bottles is very small comparing to other similar products. Giving that the product is designed for frequent use, larger packs are required

3. Chevron 65740 Techron Concentrate Plus Fuel System Cleaner – 20 oz.

Chevron 65740 Techron Concentrate Plus Fuel System Cleaner

This is one of the cheapest fuel injectors in our list and despite its price, it is also one of the products that are always on the car enthusiasts’ top of the list. It comes in a 20-ounce bottle that has a great design, making it easier for users to pour the product, it is ideal for cleaning  and restoring, but it can also be used as a shield for the fuel system of a vehicle.
This Chevron fuel system cleaner is compatible with vehicles such as all-terrain cars, utility cars, off-road models, motorcycles, scooters and so on. The producer recommends it for frequent use, especially if it is a car that you use heavily every day. Thanks to its cleaning properties, it is great for engines that present unwanted deposits in the fuel system.

What’s to like?

  •  It is extremely affordable
    It can be used anytime the fuel system needs cleaning
    It has been proven that it removes deposits efficiently
    It includes a patented fuel additive technology
    It is great if you want to lower the emissions of your car
    It helps you save fuel
    The bottle has a 20-ounce capacity and a great design

What’s not to like?

  •  Giving the fact that users will be tempted to use it frequently, a larger bottle would be ideal

4. Royal Purple 11722 Max-Clean Fuel System Cleaner and Stabilizer – 20 oz.

Royal Purple 11722 Max-Clean Fuel System Cleaner

This product is a bit more expensive than the previously described, yet it comes with a formula that has 3-in- 1 additives that help you keep your engine clean and highly functional. The main reason why most consumers would be tempted to choose this product over other similar ones are the powerful stats that back its performance up. Studies performed on this product showed that the Royal Purple cleaner reduces fuel consumption by 3.2% and increases horsepower by 2.6%.
Also, this product is able to reduce toxic emissions that harm the environment. This fuel system cleaner’s bottle has a capacity of 20 ounces, but you can also buy a case of 6 if you like the way it works for your car. It is compatible with almost all engines and fuel systems, regardless of the utility of the car.

What’s to like?

  •  It has a 3-in- 1 additive formula
    It was proven that it reduces fuel consumption and increases horsepower
    Comes in a medium bottles
    It is suitable for 4-cycle and 2-cycle engines
    The substances it contains are not harmful for the emissions equipment
    It is easy to use, as you just have to pour it in the fuel tank

What’s not to like?

  • It is a bit pricier than most similar products

5. Red Line (60103) Complete SI-1 Fuel System Cleaner – 15 Ounce

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

This 15-ounce fuel system cleaner that also comes in packs of 12, is similarly priced with the Royal Purple cleaner, which reflects quality. This product is known for being able to reduce by two points the car’s need for octane and for being recommended for frequent use. Thanks to the ingredients it contains it is ideal for fuel systems that need intensive treatments.
Either your neglect your car or you use it too much, your fuel system could get some help from a product that is very easy to use and can be easily poured directly into the fuel tank. Although it is a good product that is capable to clean the fuel injectors like never before, it contains more PEA than similar products, which makes it slightly incompatible with diesel engines or LPG engines.

What’s to like?

It comes in a nice, little bottle that is easy to maneuver
It is highly performant
It is recommended for continuous use
It is recommended for those of you who want to reduce the octane levels
One bottle per tank is enough for an efficient treatment to be performed

What’s not to like?

It is not recommended for diesel and LPG engines
It is pricier than many other products with similar formulas


If you are an automobile enthusiast who enjoys the sound of a healthy engine and that loves to take care of its own car instead of leaving it on the hands of mechanics, you should definitely acknowledge the importance of using a fuel injector cleaner. When using such products, you can rest assured that it is impossible to damage any of the car’s internal parts. Most products are incredibly easy to use. The only thing that you have to do is to screw the cap open and pour the content of the bottle in the fuel tank.
In order to choose the best fuel injector cleaner for your needs, you must be aware of the benefits that it can bring to your car. By analyzing the pros and cons of the products above, you can figure out which of these 5 best-selling products fulfills your requirements the best.