Best Fuel Injector Cleaner: Which Among These Products Should You Buy?

using the best fuel injector cleaner

Over time, your fuel injector builds up grime from daily exposure to things like oil, carbon, and heat. This buildup can decrease throttle response, cause misfires and knocking, and even increase how often you fill up, making it important to keep your fuel injector clean with the best fuel injector cleaner. With so many options out there, it can be hard to narrow down what the best fuel injector cleaner really is.

Comparison Table

No products found.

Fuel Injector Cleaner FAQs

If you're not experienced with using fuel injector cleaner, you're bound to have some questions. Some of the most common questions about fuel injector cleaner can be found below:

1. Why do I need to clean my fuel injector?

2. How do I know if I need to clean my fuel injector?

3. How does a fuel injector cleaner work?

4. What does a fuel injector cleaner do?

5. How much does a fuel injector cleaner cost?

How We Reviewed

Our team scoured the top automotive information websites to find the best fuel injector cleaners to keep your car running smoothly. These cleaners were repeatedly featured across a number of credible sites as being the best in the market, along with outstanding reviews.

Top 10 Best Fuel Injector Cleaner

Here are the best 10 fuel injector cleaner options available right now, in no particular order:

No products found.


No products found.

Seafoam's 100 percent pure petroleum formula makes this cleaner a fast-acting fix. You won’t need many uses to see a difference in your engine running. It is wallet friendly and works great.

Unfortunately, Seafoam uses a spray can rather than a pourable liquid, making the application process a little more difficult than you may want. That's the only real downside. Watch this video on how to apply Seafoam SS14 Lube and Cleaner.

No products found.


No products found.

Liqui Moly’s fuel injector cleaner works overtime to fix your startup and rough idling problems. After using this product, you’ll notice a change in throttle response and a noise reduction from the engine.

However, it does have one drawback — it doesn’t work as well on older machines.

Customers liked this product for its long life. Many report seeing positive effects after the first use, like increased mpg and better power. 

This fuel injector cleaner is also pretty cheap. 

No products found.


No products found.

BG 44K is known for blasting fuel injector clogs away with ease. Not only will this cleaner polish up your injector, it will clean your combustion chambers and engine valves, as well.

However, that effectiveness comes at a cost, this is one of the more expensive options on our list.

Car owners found their vehicles running more smoothly overall after using this cleaner. Many claimed they saw an increase in mpg.

No products found.


No products found.

If your engine could pop open and say thank you for using Lucas Fuel Treatment, it would! This product acts as a cleaner and lubricant for your entire engine, even your piston rings. An all-in-one elixir for your engine, and a bargain for a full gallon.


There is a minor downside, though — unlike most fuel injector cleaners, like Seafoam, Lucas Fuel Treatment requires multiple uses for the desired effect. Customers who used this said their idling became smoother afterward. 

No products found.


No products found.

Chevron Techron says this product should be used with every oil change for a full fuel system cleaning and coating. Unlike other cleaners, it also prevents spark plugs from fouling.

Reviewing customers noticed a smoother engine after just one use, but some also complained that it did not improve fuel consumption.

No products found.


No products found.

Red Line runs against the pack when it comes to its formula. It uses polyether amines, a strong ingredient in fuel injector cleaner. It also contains an upper cylinder lubricant which takes care of your car in the long run, preventing more auto bills. Moderately priced and supported by excellent reviews, this cleaner seems to be a strong contender for the best.

There is one major drawback, though, as it does not improve fuel consumption.

Customers felt an increase in responsiveness, as well as a smoother idle with this product. 

No products found.


No products found.

Royal Purple is nothing short of royalty in the fuel injector cleaner industry. Improving your horsepower, as well as decreasing your harmful emissions, Royal Purple gives your car the royal treatment. It stays in your system longer than other cleaners, like Chevron Techron, to break through long-lasting carbon buildup.

It may take more than one use to see full benefits, but customers noticed an increase in power after using Royal Purple.

No products found.


No products found.

STP is known for its accommodation for capless gas systems. It also improves oil pressure, as well as MPG, and caters to all types of motors. We recommend the twin pack at a low price and great value.

Some customers did not see a change in performance, but those who noticed a difference after using STP experienced more powerful acceleration as well as a quieter engine.

No products found.


No products found.

Like Royal Purple Max, Gumout stays in your car’s system for a long lasting lubrication process. Weighing in at a whopping 0.16oz, it’s definitely a big cleaner in a small package. It can even tackle big jobs like supercharged and turbocharged vehicle issues — all while lubricating to decrease further buildup.

Customers report that the product performed as advertised and improved the running of their vehicles.

No products found.


No products found.

Is someone knocking on your car door, or is that your engine? PM6 is specifically designed to stop those knocks and create a quieter ride. It also improves your fuel efficiency. While this cleaner does not have a large following like Red Line, it is making a name for itself with customers who try it and love it.

Customers agree that it's cheaper and quicker than a repair shop, making it worth the money — that is, if it fixes your problem. It's easy to misdiagnose car problems, after all. 

Verdict

Based on uses and potency, our best fuel injector cleaner pick is Seafoam SS14 Lube and Cleaner! This cleaner is the quick fix and restoration we are looking for. While its spray nozzle makes it difficult for beginners to use, a quick youtube video explains just how easy the process can be, making it your best friend whether you are a professional or just a regular Joe.

Which best fuel injector cleaner do you use? Let us know your favorite brand and product in the comments!

LEAVE A REPLY

Please enter your comment!
Please enter your name here