Consumer Automotive Research Logo
Disclosure
This website is a participant in the Amazon Services LLC Associates Program. We are reader-supported. If you buy something through links on our site, we may earn an affiliate commission at no additional cost to you. This doesn't affect which products are included in our content. It helps us pay to keep this site free to use while providing you with expertly-researched unbiased recommendations.
The Best

Fuel Cleaners

Handpicked
Quality-Checked
Chevron 67740-CASE Techron Concentrate Plus Fuel System Cleaner - 12 oz., (Pack of 6)
  • For best performance, follow the manufacturer's recommendations in your vehicle owner’s...
  • Cleans, restores, protects the entire fuel system (fuel injectors, carburetors, intake...
  • Restores: lost power, acceleration, lost fuel economy, and operation of the fuel gauge...
  • Reduces: rough idle, engine surge, hesitation, and spark plus fouling

Buyer's Guide: Fuel Cleaners

Fuel Cleaners: What You Need To Know

What are the best fuel system cleaners? A lot of people swear by them, and many more will tell you they would never buy anything else. They are probably right. What are the best fuel system cleaners available? Let's take a look at some of the top contenders.

Carbon Monoxide (CO) is a naturally occurring substance in your home and your car. Carbon Monoxide is odorless and colorless. However, as it slowly accumulates in your vehicle's engine, over time, it will produce poisonous gases, which can severely damage your engine and even cause an extended stop or burning out of your gas pedal. The smell emitted by CO is much like that of rotten eggs, so be careful when cleaning out the engine.

The best fuel systems and fuel injector cleaners will both reduce the levels of CO in your vehicle without removing any of the safety features. However, there are few differences between these two products. Most fuel systems will remove exhaust gasses before they leave the car, but not all do. Some fuel injector cleaners will also include an activated carbon filter to absorb CO poisoning from the air.

Both types of cleaners are recommended for older vehicles with hoses and tanks still attached to the engine. If you have an automobile with a separate fuel system and transmission lines, you may need to purchase a separate fuel injector cleaner to use in your automobile. Many systems have been known to completely remove excess gaseous emissions from a vehicle's combustion process. However, the difference between these two products lies in their methods of eliminating excess gaseous emissions from your engines.

When you add any type of gas or liquid fuel to your vehicle, you are increasing the number of pollutants entering the atmosphere. Gas and liquid fuel have a tendency to enter the atmosphere faster than the air. A fuel injector cleaner will improve the overall efficiency of your vehicle's fuel system and improve your vehicle's mileage.

Fuel system cleaners also eliminate unwanted carbon buildup in your engine. Because the exhaust from your vehicle has more carbon than what enters into the atmosphere, it causes your vehicle to burn more fuel quickly. The increased fuel consumption leads to increased wear and tear on your vehicle. A fuel cleaner will improve the overall efficiency of your vehicle's performance while removing unwanted carbon buildup.

Some additional products that make up the best fuel system cleaners include carbon scrubbers, which remove excess carbon from the fuel injectors. Honorable mentions go to spark plugs because they also need to be cleaned to avoid having unwanted carbon buildup. Your vehicle's spark plugs must always be topped off with fresh and clean plugs to prevent a buildup of unwanted carbon. The addition of an oil filter to your fuel system is another step toward being environmentally responsible. A filter removes the toxic gases, such as gasoline, from your vehicle's combustion chamber and keeps them from entering into the atmosphere.

Another one to mention is a concentrated fuel injector cleaner. A concentrate fuel injector cleaner will do two things for you. The first is that it will get the job done faster. Because you don't have to go through the trouble of cleaning out the fuel system, you can put more focus on putting forth the maximum performance for each individual vehicle. The second benefit to a concentrated fuel injector cleaner is that it removes deposits from your fuel system. Not all deposits are harmful, but some are harmful and need to be removed.

How to Find the Best Fuel System Additive For Your Car

You may have heard the term "fuel cleaner", but what exactly are fuel cleaner additives? Answer: It's perfectly okay to use your regular fuel additives on your car as long as they do not contain any harmful toxic chemicals which can harm your engine. That includes fuel additive mixes, enzyme-formulated fuel, and even some natural fuel additives as well. However, there are some things you should never do while using your gas or diesel engine. That's why we're going to discuss them here.

The first thing you should stay away from when using injector cleaners, gas treatments, or any type of fuel cleaner additives is nitrous oxide. Nitrous oxide can seriously damage your radiator by creating a vapor. This will eventually build up and cause your radiator to clog. So, avoid using this at all costs.

Another thing you should avoid is solvents. While there are many different types of solvents, one of the most dangerous is methylene chloride. This chemical is used by millions of auto repair shops and other fuel cleaners every year. However, it has been banned for use in gasoline by the government in the European Union. Therefore, it would be wise to stay away from any type of fuel cleaner additives containing this chemical.

The third thing you should avoid is those products that are being marketed under the name of "marine lubricants". Did you know that petroleum jelly actually contains petroleum? When used in a diesel injector cleaner, this jelly can actually increase the toxicity level of the gas, especially when mixed with the nitrogen that causes hydrocarbons to stain.

So, what fuel injectors cleaner should you use? There are actually three main types. These are fuel line gas distributors, air in line gas distributors, and injector cleaning fluid distributors. Each has their own advantages and disadvantages. Each should only be used according to the manufacturer's specifications.

In the first place, you might want to avoid anything that contains methylene chloride. If you need a cleaner for your fuel injector cleaner lines, then you should go for an OEM style. They work just like the original equipment model but the only difference is the absence of methylene chloride. You will only need to buy these if you find your gas tank almost empty. If not, then you might want to use the air in line distributors instead.

Next, you might want to try the mineral oil fuel injector cleaner. It works by slowly but surely removing the accumulated gunk on the lines. However, you must keep in mind that the mineral oil will leave a film on the lines which is bad news because this kind of fuel injector cleaner will make your engine work less efficiently. It also makes a huge mess and requires frequent cleanings. This is one of the worst ones when it comes to your car's maintenance.

Last but not least, you should use the joining sep 10 Fuel Cleaner Additive if you want to save money on fuel. The joining sep 10 fuel injector cleaner helps in keeping your fuel injectors clean without spending a lot of money. It works by allowing all the fuel injectors to join together to form one working unit. This has made it very popular among many auto mechanics.

In fact, many fuel injector cleaners and injector injections systems manufacturers recommend joining Sep 10 additives to their products. This additive is a high-quality product and the company that makes it injects gas in accordance with manufacturer's instructions only. Furthermore, you should note that there is no chance for gas treatments on injectors while using this product. This is why Sep 10 fuel injector cleaner has become the number one choice among auto technicians.

The last on the list is octane fuel additives. Octane is one of the top-selling brands and manufacturers of engine parts and other vehicle accessories. Therefore, you can be sure that most of the injector cleaners out in the market today contain octane as an ingredient. If you are not sure about the quality of octane fuel additives, you should remember that only a few companies out there sell high-quality octane injector cleaners and this is why octane is the name that you will be seeing when you go online to purchase fuel additives.

When it comes to quality performance and value, there are no better options than Synthetic Oil. Synthetic oils are specifically made to provide a better and more efficient fuel system for any vehicle. This is why they are recommended over conventional synthetic oils and many companies have started including them as an integral part of the products they produce. For instance, Pentair and Ford have both produced their own line of synthetic oils and while they have a wide variety of vehicles such as trucks and sedans, Ford has introduced their own line of Ford Performance Synthetic Oil and Dodge Performance Synthetic Oil.