When you buy through links on our site, we may earn an affiliate commission at no cost to you.
Fuel injection systems revolutionized the motor industry, helping to bring down fuel consumption while at the same time making vehicles more efficient.
These days, it is virtually impossible to find a car that does not have a fuel injection system.
However, fuel injection systems are prone to a variety of problems, many of them coming as a direct result of being clogged with dirt.
One of the best ways to ensure that your fuel injection system does not suffer is to get a fuel injection cleaner.
In this review, we shall take a look at your choices when it comes to the best fuel injector cleaner. You shall also learn how these products work, and how to use them to get the best results.
Top 5 Best Fuel Injector Cleaner Reviews
1. BG 44K Fuel System Cleaner
This is by far one of the best fuel injection cleaners on the market right now.
It has been specifically designed to work with gasoline engines, and for the last forty years, it has provided motorists with some of the best cleaning power that money can buy.
It is very effective in cleaning valves, fuel injectors and combustion chambers. It also helps to protect the engine from rust and the build-up of residue inside your injectors.
Our Rating: 
(4.5 / 5)
Pros
- Helps to solve everything from power loss to residue collection in the engine
- One can is enough for 20 gallons of gasoline
- Helps to increase your fuel economy
- Can be used on almost any gasoline powered vehicle
Cons
- Is slightly more expensive than most other cleaners
- Instructions for use can be a little confusing
- You will need to purchase a funnel separately
If you are looking for superior cleaning properties and for marked improvements in your fuel economy then this is a product you should definitely consider. However, the price may put many people off, especially as there are other products that are cheaper that will deliver about the same amount of performance.
2. Lucas 10013 Fuel Treatment
This potent fuel injection cleaner comes in a gallon bottle that promises to treat up to 100 gallons of fuel, regardless of whether it is diesel or gasoline.
Other than being a fuel injector cleaner, it also acts as a fuel conditioning agent, and helps to clean the whole fuel system.
Our Rating: 
(4.7 / 5)
Pros
- Helps to lubricate and clean your whole fuel system
- Helps to minimize the problems that are related to low Sulphur diesel
- Noticeably increases fuel efficiency
- Helps to reduce pollution by minimizing toxins emitted by your vehicle
Cons
- Has been known to negatively affect the spark plugs on some cars
- Can negatively affect catalytic converters
There is a reason why this is one of the top rated injector cleaning products on the market. If you are looking for an injector cleaner that is going to provide your whole fuel system with a thorough cleaning, then this is the product for you.
3. Chevron 65740 Techron Concentrate Plus Fuel System Cleaner
This is one of the most highly recommended fuel injection cleaners in the world, and is even recommended by many automakers.
It is designed specifically to eliminate any deposits that may build up during the combustion cycle in your engine, while simultaneously cleaning your fuel injectors, intake valves and chambers.
Our Rating: (4.5 / 5)
Pros
- Recommended by automakers from around the world
- Helps to improve fuel economy
- Compatible with various fuel additives, vehicles and fuels
- It is one of the most affordable cleaners you will find
Cons
- Effects do not last as long as other cleaners
- Packaging could be better
The fact that this product comes from one of the biggest oil companies in the world should fill you with confidence that it is a quality product. However, should you choose to buy this product, you will have to monitor your engine performance closely as it does not last as long as other fuel injection cleaners.
4. Red Line (60103) Complete SI-1 Fuel System Cleaner
Red line is one of the most effective fuel injection cleaning products you will ever use.
It has gained a very good reputation thanks to its superior performance and immediate results when used on fuel injected gasoline engines.
It effectively cleans your whole fuel system, including valves, fuel injectors and carburetors.
Our Rating: (4.5 / 5)
Pros
- It is compatible with most engines
- Contains a synthetic cylinder lubricant that helps to protect your cylinders and reduce the chances of leakage
- Effects can be felt immediately
Cons
- Is more expensive than some of the other cleaners available
- Does not increase fuel efficiency as much as similar products
This is an excellent product for those that would like to ensure that their fuel systems are clean. However, if you are looking for a marked improvement in your MPG numbers, then perhaps you should consider some of the other options on this list.
5. Sea Foam SF-16 Motor Treatment
As far as reputation is concerned, Sea Foam has one of the best reputations in the industry.
This injector cleaner helps to elevate their reputation even more, as it is one of the best cleaners you will find.
It is much more than a cleaner, as it also acts as a moisture controller, a lubricant and a stabilizer.
It is suitable for both gasoline and diesel engines, and can also be used on carbureted engines.
Our Rating: (4.7 / 5)
Pros
- Can be used on both fuel injected and carbureted engines
- Suitable for a range of machines, from leaf blowers to cars
- Also performs well as a de-icer and anti-gel
- Can also be used to treat oil
Cons
- Is not as powerful at general cleaning as some of the competition
- It is complicated to use as an engine cleaner
- May negatively affect catalytic converters
- Does not last as long as some of the competing brands
The popularity of this brand should never be dismissed as a coincidence, as it does work well, especially when it comes to cleaning engines. In addition, the fact that it can be used for a wide range of tasks means that it gives you great value for money.
Does Fuel Injector Cleaner Work?
If you were to go online and do a quick check on various fuel injector cleaners, you will begin to see a rather interesting trend.
Basically, there are three fields of thought; there are those that do not believe that these cleaners work, there are those that would swear by them, and there are those who cannot really tell if they have helped or not.
There are many people that think that it is much easier and cheaper to go to a shop and have then clean your fuel injectors there, but this is just not the case anymore.
There have been great advances made in the field, and fuel injector cleaners are now more capable than ever at cleaning injectors and fuel systems as a whole.
They are also very effective at increasing engine performance and helping reduce fuel emissions.
However, perhaps the best thing about these cleaners is that they help to increase fuel efficiency.
In addition, cleaners that have Polyether Amine (PEA), such as Red line Complete SI-1 cleaner have various added advantages.
These include, but are not limited to, cleaning the combustion chambers, reducing the risk of engine knocking, and helping to improve cold- start up issues.
However, it is important to remember that these liquid fuel injector cleaners will only work effectively if they are used properly.
Improper use of a cleaner could actually end up negatively affecting your car, which will have major implications for your engine and your pocket in the future.
It is also important to remember that there are many companies out there that have started to release sub-standard fuel injector cleaning products.
For this reason, you must also ensure that you are critical of any fuel injector cleaner that you use on your vehicle to ensure that the brand and company are trustworthy.
Fuel Injector Cleaner Buying Guide
Before you dive in to buying your new fuel injector cleaner there are a few things that you should look out for to know if you are getting the best deal you can.
Below are just some of the things that you need to look out for, and reasons why it is important that you consider all your options before you make a purchase.
Cost
With things getting more and more expensive these days, it is no wonder everyone is trying to save every buck they can when they make a purchase. For this reason, one of the most important things to look out for when buying a new injector cleaner is the price.
The main reason for this is because fuel injector cleaners are meant to be used over an extended period of time. In fact, most of the time you will have to use the cleaners more than once before you observe any noticeable changes in your engines performance.
It is important to note that the cost effectiveness of any injector cleaner will be directly affected by how you use them. If you use them in the wrong way then you will inevitably have a larger bill in the future.
Cleaning Potency
What is the point of a fuel injection cleaner if it cannot clean your fuel system effectively? After all, that is what it is meant to do right? Most of the cleaners on this list will do a very good job at cleaning your injectors and fuel system.
However, it is important that you read through all the reviews you can find carefully so that you can ascertain which cleaners are the most potent, and therefore which ones will serve you the best.
How To Use Fuel Injector Cleaner
Fuel injection cleaners are actually very easy to use, especially because you do not have to be well versed in the internal workings of an engine.
There are many different ways you can use a fuel injector cleaner, as different cleaners have different directions for use.
However, the first thing you should consider before you use a fuel injector cleaner is the type of engine you are trying to clean.
Not all cleaners work with all engines, so while you are shopping for one you need to ensure that you are getting one that will not damage your system.
Should you ever feel confused by the amount of choice you have, you should not hesitate to consult your mechanic.
They will most likely be able to give you a range of products that you can choose from to get the job done effectively.
Once you have purchased the right cleaner for your vehicle, you need to ensure that you read all the instructions carefully and follow them to the letter.
The minor differences between the formulations of different cleaners means that they do not all work the same way.
Therefore, if you try to use one brand in the same way that you used another one, you may end up causing more damage to your engine.
Finally, it is important that you check your fuel level before you use your fuel cleaner.
Most cleaners work well if you use them with a full tank of gas, though there are those that would work well on even half a tank.
To check your fuel levels, start your car and let it idle until the gauge has come to rest.
If you do not have the right amount of gas in your tank, then you will need to add some in order to meet the requirements needed to use the cleaner.
Conclusion
Fuel injector cleaners can do your engine a world of good when used properly. They will help to increase the efficiency of the engine, which will help improve the functionality, and inevitably help decrease your maintenance bills.
However, it is important that you choose the right fuel injector cleaner for your engine. This will help save you time, money, and a lot of effort, as you will no longer have to worry about having an unreliable engine that is in permanent need of maintenance.
Read more related product reviews: