Best Fuel Injector Cleaner – Top Picks & Buying Guide 2019

A car is an expensive investment. It will also require thorough care and maintenance. Through the years, it will be prone to a variety of problems, which makes it important to exert conscious effort in keeping your vehicle in its best condition. With this, one of the most important to have is the best fuel injector cleaner.

What exactly does a fuel injector cleaner do? In its simplest form, this is a chemical liquid, which has the main function of removing the build-up and deposits in the fuel system. It improves the efficiency of the vehicle, especially in terms of their gas consumption. This is also critical in making the engine less prone to problems.

If you are on the lookout for a top-notch fuel injector cleaner, the rest of this buying guide will help you to make the right choice. We will provide you with a quick look at seven of the best products that are available, as well as the reasons why they are great. More so, we’ll also discuss a few of the most important considerations that can help you come up with a decision.


Here are the Best Fuel Injector Cleaner on the Market for 2019

In this section, we will quickly review seven fuel injector cleaners that have captured our attention. Limit your choices to these products, and for sure, you will make a decision that you will not regret.

Product NameBrandWeightOut Rating
Sea-Foam SF-16 Motor Treatment
Plus Fuel System Cleaner

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Sea Foam1 pounds4.95/5
Chevron 65740-CASE Techron Concentrate
Plus Fuel System Cleaner

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Chevron5.5 pounds4.9/5
BG 44K Fuel System Cleaner
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BG11.2 ounces4.7/5
Stanadyne Performance Formula
Diesel Additive

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Stanadyne12 pounds4.7/5
Royal Purple Max-Clean Fuel System
Cleaner and Stabilizer

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Royal Purple1.25 pounds4.7/5
Chevron 65740 Techron Concetrate
Plus Fuel System Cleaner

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Chevron1 pounds4.5/5
OTC Tools 7448A Fuel Injection
Cleaner Canister

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OTC5 pounds4.2/5

1) Sea-Foam SF-16 Motor Treatment

Sea-Foam SF-16 Motor Treatment This product is available in a kit that is easy and simple to use, which is the reason why it is recommended for beginners. You do not need to exert too much effort to use the cleaner, and yet, you can expect superb results. This is proven by the fact that it has lots of positive reviews, which is a testament to its quality and effectiveness.

This is a multipurpose motor treatment. Aside from cleaning fuel injectors, it can also be effective when used for cleaning carb jets, controlling moisture in fuel, lubricating upper cylinders, and making noisy lifters quiet, among other things.

How does it work? It re-liquefies the build-up of sludge in the motor, which makes it easy to be flushed out of the system. It removes the residues in the fuel, resulting in being better in terms of its stability.

Lastly, the company has been in the business for more than seven decades. For a business to last that long and to gain the trust of a big fraction of the market, it is definitely doing something right! 


  • Has a lot of positive reviews
  • Comes in a packaging that is easy to use, even for beginners
  • Does not contain any harsh chemical


  • Quite expensive compared to its leading competitors
  • Can result in a tremendous amount of emission

2) Chevron 65740-CASE Techron Concentrate Plus Fuel System Cleaner

Chevron 65740-CASE Techron Concentrate Plus Fuel System Cleaner Made by a trusted brand, this is another option that should be on the top of your list. It has demonstrated a consistently high performance, which is also the reason why it is one of the bestsellers. 

This product does not only clean, but it is also effective in the restoration and protection of the fuel system of your vehicle. Whether it is lost power or acceleration, it has an exceptional restorative power.

As recommended by the manufacturer, you should use this fuel injector cleaner at least once after running for 3,000 miles. It can also be used after changing the oil.

Whether you have an old or new engine, this is a cleaner that can deliver outstanding performance. Some of the benefits that can be enjoyed with the use of this product include an increase in power and fuel economy.

Another great thing about this fuel injector cleaner is the polyether amine technology, a patented feature. This is the one that is responsible for effectively dissolving all types of deposits. It uses a revolutionary ingredient that makes it deliver better cleaning effectiveness compared to many of its competitors.


  • Has been tested in a laboratory to prove its effectiveness
  • Produced by a globally-reputable brand
  • Has a high cleaning and restoration rate


  • Not for 2-stroke air-cooled gas engines
  • Instructions provided are quite vague

3) BG 44K Fuel System Cleaner

BG 44K Fuel System Cleaner In one survey that involved dealership service managers, this has been ranked as the top choice for a fuel injector cleaner, which can provide you with a good reason to have it trusted above other choices within the competition.

Based on the claims made by the manufacturer, using this product will help in the reduction of exhaust emissions, restoration of fuel efficiency, restoration of performance, and increasing of power output, among other benefits.

It is also worth noting that this is a fast-acting fuel injector cleaner. This means that after application, the effects can be apparent within a short period of time.

Value for money – this is another thing that makes this an exceptional product. The price may seem quite expensive. Nonetheless, considering the fact that it comes with three cans and a funnel, this is sure to be worth every dollar that you will be spending.

The company has been around since 1971. This is also another reason to love this option as it has been a trusted choice in the market for a long time already. 


  • Comes with a free funnel for ease of application
  • Does not contain alcohol
  • Delivers high cleaning efficiency


  • Expensive compared to leading competitors
  • Funnels included are small

4) Stanadyne Performance Formula Diesel Additive

Stanadyne Performance Formula Diesel Additive Among others, one thing that we like the most about this product is that it is made by a company that is involved in the manufacturing of fuel injection equipment. To add, it has also been through independent testing and recommended even by vehicle manufacturers, such as GM and Ford.

There is a long list of benefits that can be enjoyed with the use of this fuel injector cleaner. For instance, it has detergents that increase horsepower. It also has cold weather protection. It can also improve cetane for smoother functioning of the engine. More so, it will be effective in keeping fuel fresher and in reducing the amount of fuel that is consumed without compromising overall performance.

You will also like how the formula does not contain any alcohol. This will be effective in the prevention of corrosion and accelerated wear.

It also has a special formulation, which will make it compatible even with biodiesel and low sulfur diesel fuel. 


  • Comes in a pack of 12
  • Approved by GM, Ford, and other OEM manufacturers
  • Has a formula for the improvement of lubrication


  • Results may not be apparent quickly
  • Can cause injectors to become sticky

5) Royal Purple Max-Clean Fuel System Cleaner and Stabilizer  

Royal Purple Max-Clean Fuel System Cleaner and Stabilizer If a brand name is an important consideration for you, this is another option that you won’t surely regret. It is made by a company that has been in the business for more than 200 years, which makes it easy to understand why this is one of the favorites within the product category.

As a 3-in-1 fuel additive, you can enjoy a multipurpose product, which makes it a good buy even if it is a bit more expensive compared to most of the choices that will confront you. To add, it is also versatile since it can be used in both diesel and gasoline engines. It will also work for both 2 and 4-cycle engines.

Based on the specifications, using this product can be effective in the improvement of fuel economy by as much as 3.2 percent and horsepower by as much as 2.6%. Emissions of carbon monoxide, nitrogen monoxide, and hydrocarbons are also reduced at a significant level.

As the manufacturer recommends, treat the engine with one can of this fuel injector cleaner once after running for 10,000 miles.


  • Produced by a company with an extensive experience
  • Can work in a variety of engine types
  • Improves startup and ignition


  • Can be expensive considering its size
  • Container does not come with a pour sprout

6) Chevron 65740 Techron Concetrate Plus Fuel System Cleaner

Chevron 65740 Techron Concetrate Plus Fuel System Cleaner One of the things that I love the most about this product is how the manufacturer does not only make baseless claims. Instead, the product has been tested in a laboratory, which should be more than enough for you to be provided with peace of mind.

It also comes with the patented polyether amine technology, similar to the other product from Chevron that has been mentioned earlier. The latter is a formulated blend that makes it effective in the removal of deposits. One gallon of the fuel injector cleaner can improve mileage by as much as 10%.

Whether you have an older or newer engine, there is also no problem as it can be used and the outcomes will be great. To be honest, however, the product is not as superior as the more expensive options you can find.

Available in a 20-ounce bottle, this is a good choice for those who have a tight budget. It delivers decent quality, but this does not mean that you have to spend a lot for such a product. 


  • Perfect as a budget-friendly alternative
  • Versatile applications for different engine types
  • Tested in a laboratory


  • May require repeated use to be effective
  • Does not bring significant fuel efficiency

7) OTC Tools 7448A Fuel Injection Cleaner Canister  

OTC Tools 7448A Fuel Injection Cleaner Canister This product is different from the six others that have been mentioned above. It is for direct fuel injection cleaning and does not exist in the form of liquid that you have to pour in the injector. To make it work, you will need the right cleaning solvent.

One of the most notable about this product is the stainless steel construction, which is great in terms of durability. The cylinder can hold up to 22 pounds and a maximum pressure of 30,000 PSI.

In terms of ease of use, this can also prove to be an exceptional product. There is a 3.5-inch gauge, which will make it effortless to set the pressure and will also improve accuracy. More so, there is a cap that makes it easy to fill it with your choice of solvent.

It is also worth noting that the hose included meets SAE J30R9 requirements, which will make it safe for transferring fuels of different types. The hose can be removed when it is not used and there are replacements that are easily available if you need a new one. 


  • High-quality construction
  • Application can be effortless
  • Delivers effective results


  • Not as popular as the other products
  • Does not come with an adapter

Benefits of Using Fuel Injector Cleaner


Some of the fuel injector cleaners can be expensive, especially those with top-notch quality. However, this does not mean that you should ditch the idea of using one. It can offer a multitude of benefits, including those that will be briefly mentioned below:

Improved Performance: In a nutshell, you can expect that the engine and your car will demonstrate improved performance without making costly upgrades. It provides better lubrication to make sure that all components are working at their best.

Extended Engine Life: As mentioned, a fuel injector cleaner will help in the improvement of lubrication. For this reason, it minimizes friction and makes the components less prone to wear and tear.

Efficient Gas Consumption: Another notable benefit is that it will make your vehicle consume lesser gas in the absence of compromising its performance. They will prevent wasting gas, which can translate to huge financial savings in the long run.

Lessens Emissions: This can also be great in terms of demonstrating your concern on what is good for the environment. It improves the combustion, which is the reason why the emission will be significantly lesser.

Essential Factors to Consider

As you try to narrow down the options that are available on the market, here are some of the most important things that you have to take into consideration:

Compatibility: One of the first things that you have to do is to make sure that it is compatible with your engine. Do you have a diesel or gas engine? Is it a 2 or 4-stroke engine? The fuel injector cleaner will work only if it is suitable for your engine system. You will just end up wasting your money and using an incompatible cleaner will have a negative effect on your engine.

Ease of Use: There can be different methods of use depending on the manufacturer. Choose a product that will be effortless for you to use. To add, make sure that you religiously follow the instructions from the manufacturer to be guaranteed of the best outcomes.

Volume: This refers to the size or content of the fuel injector cleaner that you will choose. Think about your needs so that you will know how much is needed. You also have to think about the frequency of use to know the amount that you will need.

Ingredients: You also have to take the time to look at the label to see the ingredients that are used. See to it that there is no alcohol or any harsh chemical that can possibly bring more harm than good in your fuel injector.

Price: Your budget will also be an important factor in determining which one to buy. However, I suggest that you do not pick one only because of its price. Do not hesitate to spend more if this is tantamount to choosing a product that comes with superior quality and functionality.

Reviews: At the end o the day, the best thing that you can do is to go online and look for reviews from actual users of the fuel injector cleaner. You can use their real-life experiences as a way to determine the good and the bad regarding the options that will confront you.

Tips for Using Fuel Injector Cleaners  

It is not enough that you choose the right product. To optimize its benefits, the following are some of the most important things that you have to keep in mind:

Use only one type of fuel injector cleaner. This means that you should avoid using two different products. If your previous bottle is almost running out, do not mix it with a new one. Different cleaners have varying formulations, which is why it is not a good idea to have it mixed.

Another important thing is to make sure that the right quantity of the fuel injector cleaner is used. Pay attention to the specifications from the manufacturer so that you will know how much needs to be used.

Once you are done adding the fuel injector cleaner, you need to run the engine as soon as possible. It will be best to use it immediately for long drives and consume the full tank. This will make the cleaner more effective in its function.

Fill up your tank before using a fuel injector cleaner. The cleaning process will happen only when you run your car at a full tank. It provides more time for the fuel injector cleaner to reach the engine.

Watch out for signs of dirty fuel injectors, which will let you know when it is time to have it cleaned. Loss of power, loud engine noise, and having difficulty in starting the car are some of the signs that you should watch out for.


In sum, the best fuel injector cleaner is a must-have for every car owner. It can deliver a wide array of benefits that can help improve fuel economy and the longevity of the engine, among other things. While there are many benefits, however, they can be realized only if you choose the right product. That being said, keep an eye on the seven options that we have briefly reviewed above.

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