We consider a fuel cleaner additive to be a worthy investment in the long run. In the following post, we will help you to select the best fuel cleaner additives.

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Our Top Picks:

Best Overall: Buy: Lucas Oil Fuel Cleaner Additive READ REVIEW

Best For Older Engine: Buy: Liqui Moly Fuel Cleaner Additive READ REVIEW

Best For Old Gas: Buy: Iso-Heet Fuel Cleaner Additive READ REVIEW

Best For Regular Gas: Buy: Rislone Fuel Cleaner Additive READ REVIEW

Best For Cylinder Heads: Buy: Stp Fuel Cleaner Additive READ REVIEW

Best For Outboard Motor: Buy: Stabil Fuel Cleaner Additive READ REVIEW

Best For Storage: Buy: Mercury Marine Mercruiser Fuel Cleaner Additive READ REVIEW

Best For Better Price Buying: Buy: Bg Fuel Cleaner Additive READ REVIEW

Best Overall: Lucas Oil Fuel Cleaner Additive

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The Lucas Oil Fuel Cleaner Additive is the best feature-rich additive on the market today. The lucas oil fuel cleaner additive is clear, used in autos and it works better. It gives your fuel system what it really needs. Moreover, this saves money, has increased mileage and it is good for gas milage.

The cleaner is designed for more power and it give it a try. In addition, the cleaner is great for snow blower and it has miles per gallon. Lastly, the lucas oil fuel cleaner additive allows the engine to operate at maximum efficiency.

Almost all buyers found that the additive had improved the responsiveness of the 3.0 liter v6. Also, a few strongly agree that the additive can be used in conjunction with lucas deep clean. Overall, many have used the lucas oil fuel cleaner additive for more than a few months without letup, and it shows no sign of giving up.

• This improves performance and increases gas mileage a bit.
• Package dimensions: 7.23 l x 4.93 h x 5.75 w (inches).
• This will help stave off replacement injectors or maybe even delay a rebuilding.
• Country of origin : United States.

Best For Older Engine: Liqui Moly Fuel Cleaner Additive

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The Liqui Moly Fuel Cleaner Additive is capable of outshining several other cleaners featured in this list in overall features for the price point. The liqui moly fuel cleaner additive is designed for synthetic oil and it is blue. The Manufacturer says: We offer the world's widest, deepest range of motor and gearbox oils, fuel and oil additives, care products, chemical problem-solvers and service products. Further, this is great for gas milage, is made with friction modifier and it is perfect for more power.

Most importantly, the liqui moly fuel cleaner additive is made from raw material deliveries, to production, right through to shipment.

Almost all customers opine that the additive is good for several months. Moreover, they say that the additive is and all the problems it fixed on other reviewers vehicles. Moreover, a few strongly agree that the additive can be used as a problem solver in case of fuel system relarted issues, too. In conclusion, the tone of buyers is very positive and we believe that the cleaner suits the purpose.

• This is used to clean and maintain the fuel systems of injected or carbureted gasoline engines.
• This is minin copper are apart vw, audi, and bmw group.
• This will clean your lines and the other injectors.
• This is one of the best cleaners on the market.

Best For Old Gas: Iso-Heet Fuel Cleaner Additive

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The Iso-Heet Fuel Cleaner Additive's material feels more premium than its price would suggest. The iso-heet fuel cleaner additive is made for good stuff and it does the job. This anti-freeze can be used with every fill up in below freezing temperatures or whenever you want to absorb water from gas or diesel fuel. Also, the cleaner comes with great stuff, is highly recommended and it is safe for all engines.

The cleaner is not for sale on Catalina island. Moreover, it comes in an easy - pour 12 ounce bottle. Finally, the iso-heet fuel cleaneradditive has a twist off cap, would be perfect for fast shipping and it is easy.

Almost all buyers found that the cleaner is easy to inject into the gas tank. Moreover, they say that the cleaner is best for removing water from gas tank, highly rated, especially in winter. Further, they say that the cleaner is to be added to an engine (car, truck, tractor, generator) with a gasoline motor. Overall, for almost all buyers, Iso-Heet product was best suited.

• There has been a deep freeze this winter.
• This is an inexpensive insurance policy.
• This is mostly alcohol, so it likely will not cause any problems.
• This works well for fuel pump, runs great and it works with diesel fuels.

Best For Regular Gas: Rislone Fuel Cleaner Additive

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The Rislone Fuel Cleaner Additive is capable of outshining several other additives featured in this list in overall features for the price point. The rislone fuelcleaner additive runs smoother and it is very happy. The manufacturer says: With over 100 years of experience under our belt, you can trust our revolutionary performance products will give your car a fighting chance at a long, healthy life. The best all in one gasoline fuel additive money can buy.

Finally, the rislone fuel cleaner additive works as described, works well for fuel pump and it runs smooth.

Most buyers quickly discovered that the additive is best with high octane fuel and every 5k miles. Moreover, a few strongly agree that the additive cleans the fuel injectors but lubricates the upper cylinder walls. In short, at the price, they believe that they got a steal of a deal with it.

• This provides reduced fuel system and emission control repairs.
• Remember, your car is what it eats.
• This is one powerful bottle and also best for performance cars too.
• It comes with fuel tanks and it has miles per gallon.

Best For Cylinder Heads: Stp Fuel Cleaner Additive

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The strong fuel cleaner additive's superior materials make sure that it ages well with use. The Stp Fuel Cleaner Additive runs smooth, is highly recommended and it has improved performance. Make sure this fits by entering your model number. Also, it starts easier and it is for throttle response.

The cleaner can buy a string trimmer, is great for cylinder heads and it works well for snow blower. Most importantly, the stp fuel cleaner additive is clean, runs more smoothly and it is easy to recommend item.

Most buyers agree that the additive improves gas mileage, plus it comes with two disadvantages. And, they strongly agree that the additive can be used on any gasoline - run vehicle. In conclusion, most buyers agree that the additive is functionally comfort, and no one questions it.

• Use this additive with every oil change or every 4, 000 miles.
• This is made with jet fuel, a high-quality carrier of active ingredients.
• This is rather intermittent, but this stopped it for the time being.
• Two 5.25 fl oz bottles of stp super concentrated fuel injector cleaner.

Best For Outboard Motor: Stabil Fuel Cleaner Additive

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Stabil makes beautiful and great additives with classic and smartly chosen materials. The Stabil Fuel Cleaner Additive started immediately and it is blue. The manufacturer says: And if you have learned one thing along the way, it is this. This additive was designed specifically to treat small engines having a little trouble running.

Most importantly, the stabil fuelcleaner additive runs smoothly and it has drained old gas.

Most buyers opine that the cleaner is good for 2.5 gallons of run time” something like that. Also, a few say that the additive is 2 years but must be kept in a cool dry place. Moreover, they say that the cleaner can be used on larger engines, results may vary. In conclusion, the tone of buyers is very positive and we believe that the cleaner suits the purpose.

• This is opened or unopened, is designed to worth every penny and it runs smooth.
• This is a great first step to solving rough running, hard starting, etc.
• This is easier and it is very happy.
• This allows for great gas, runs better and it runs great.

Best For Storage: Mercury Marine Mercruiser Fuel Cleaner Additive

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If you want nothing but a cleaner that is reliable, this Mercury Marine Mercruiser Fuel Cleaner Additive is certainly a wise investment. The mercury marine mercruiser fuel cleaneradditive is good for chain saws and it has followed instructions. Make sure this fits by entering your model number. And, it can help with carbon deposits, has changed fuel filters and it runs great.

The cleaner is best for customer service and it is great for cylinder heads. Most importantly, the mercury marine mercruiser fuel cleaner additive comes with great stuff and it is highly recommend.

Most buyers found that the additive can be used in 2 & 4 cycle mercury outboards. Also, they also found that the cleaner works well if you use it on a regular basis.i use Quickleen 1 with every fill up along with stabil for water use. It helps keep moisture out of the fuel system. As a result, buyers were very happy to recommend it to friends and would-be buyers.

• This is packaged in a metal container.
• Use with mercury quickstor and mercury quickare.
• This is the best additive for any 2 - stroke motor on the market.
• This is a great item and it is made for good value.

Best For Better Price Buying: Bg Fuel Cleaner Additive

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The Bg Fuel Cleaner Additive's material feels more premium than its price would suggest. The bg fuel cleaner additive was recommended by the dealer and it is great for fuel pump. This product can expose you to chemicals which are [are] known to the state of California to cause cancer and birth defects or other reproductive harm. This fuel system cleaner, added to gasoline, quickly and effectively cleans the entire fuel system, including fuel injectors, intake valves, ports and combustion chambers.

Above all, the bg fuel cleaner additive is good for better price buying and it is great for high quality.

Almost all customers opine that the cleaner is a quality procuct that delivers on its claims. Also, they strongly agree that the additive cleans, but there is no way of knowing. In conclusion, for almost all buyers, it was just what they wanted.

• This is made for good stuff and it works better.
• This restores engine performance and improves driveability.
• Proven to increase combustion quality and power output.
• One can will treat 20 gallons of gasoline.