The 11 Best Fuel Additives For Gasoline Engine (2022 reviews)

fuel additives for gasoline engine
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Are you looking for collection of best fuel additive for gasoline engines ? You have come to the right page.

Our review process:

Our Top Picks:

Best Overall:
Buy: Star Brite Fuel Additive For Gasoline Engine
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Best For Synthetic Oil:
Buy: Lucas Oil Fuel Additive For Gasoline Engine
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Best For Unleaded Gas:
Buy: K-100 Fuel Additive For Gasoline Engine
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Best For Old Gas:
Buy: Stabil Fuel Additive For Gasoline Engine
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Best For Diesel:
Buy: Rislone Fuel Additive For Gasoline Engine
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Best For Regular Gas:
Buy: Stp Fuel Additive For Gasoline Engine
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Best For Lawn Mower:
Buy: Quicksilver Fuel Additive For Gasoline Engine
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Best For More Power:
Buy: Hot Shots Secret Fuel Additive For Gasoline Engine
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Best For Easy Install:
Buy: Acdelco Fuel Additive For Gasoline Engine
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Best For All Gasoline Engines:
Buy: Fuel Medics Fuel Additive For Gasoline Engine
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Best For Storage:
Buy: Primrose Fuel Additive For Gasoline Engine
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Best Overall: Star Brite Fuel Additive For Gasoline Engine

Star Brite Fuel Additive For Gasoline Engine
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If you often find yourself confused about good additive,sss Star Brite Fuel Additive For Gasoline Engine is your solution. The star brite fuel additive for gasoline engine is safe for all engines, will not harm oxygen sensors, and overdosing is not harmful. Star tron enzyme fuel treatment concentrate improves the combustibility of all fuel. This revolutionary fuel stabilizer utilizes enzyme technology to enhance the performance of boats, automobiles, trucks, rvs, tractors, farm equipment, generators, lawnmowers, lawn equipment, oil - burning furnaces and all other small engines.

Above all, the star brite fuel additive for gasoline engine runs smoother, means more power and it makes sure.

Most buyers opine that the additive can not believe how good readings are. Moreover, they strongly agree that the additive is used to have to let it warm up or it will die a few times. And, they strongly agree that the additive is perfect for winterizing the fuel tank on a boat. Obviously, this additive passed the test and had very satisfied buyers eager to share their experience.

Top Customer Quotes:
  • This is perfect for snow blowers and it has miles per gallon.
  • This helps prevent phase separation and I give it a try.
  • This has worked like a charm with no adverse effects on performance.
  • This is a great solution for gas in vehicles, RV'S and generators.

Best For Synthetic Oil: Lucas Oil Fuel Additive For Gasoline Engine

Lucas Oil Fuel Additive For Gasoline Engine
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Next on the list, we've got yet another additive that manages to win our hearts. It's the Lucas Oil Fuel Additive For Gasoline Engines and it's widely considered as one of the most convenient additives you can buy. The lucas oil fuel additive for gasoline engine allows the engine to operate at maximum efficiency. It gives your fuel system what it really needs. Further, the additive is good for fuel pump and it has been used once before.

The additive runs smoother, is made worth the money and it should give it a try. In addition, it can be used in vehicles that require leaded fuel because it actually replaces the benefits of lead in gasoline without causing harmful emissions. Lastly, the lucas oil fuel additive for gasoline engine is great for engine light and it is great for synthetic oil.

Most customers opine that the additive cleans everything out all at once with no problems or smoke. And, they also found that the additive will help stave off replacement injectors or maybe even delay a rebuild. To sum up, the tone of buyers is very positive and we believe that the additive suits the purpose.

Top Customer Quotes:
  • This works fine and it is made for good stuff.
  • This is great for older high - mile vehicles.
  • This is formulated for both gasoline and diesel engines, carbureted or fuel - injected.
  • This is easier, works better and it is great for all trucks.

Best For Unleaded Gas: K-100 Fuel Additive For Gasoline Engine

K-100 Fuel Additive For Gasoline Engine
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The K-100 Fuel Additive For Gasoline Engine should be able to handle its purpose and duties with ease. The k-100 fuel additive for gasoline engine has burn water and it is suitable for lawn tractor.s. Make sure this fits by entering your model number. And, it works as advertised and it has better throttle response.

The additive starts right up and I gave it a try. Moreover, it ran great and it did the job. Above all, the k-100 fuel additive for gasoline engine is very happy, works with part number and it is for throttle response.

Most customers found that the additive is the only fuel stab that will not only stabilize the fuel but also clean. it. Moreover, they strongly agree that the additive is best for 2 - cycle engines. And, they strongly agree that the additive is the best option available and it works. In short, many customers have used the k-100 fuel additive for gasoline engines for more than a few months without any issues, and it shows no sign of giving up.

Top Customer Quotes:
  • This works better, start immediately and it is ideal for snow blowers.
  • Package dimensions: 8.128 l x 25.654 h x 8.382 w (centimeters).
  • This company makes diesel treatment as well.
  • This cleans and makes engines run smoothly.

Best For Old Gas: Stabil Fuel Additive For Gasoline Engine

Stabil Fuel Additive For Gasoline Engine
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The Stabil Fuel Additive For Gasoline Engine is specially designed for your regular usage and has all useful features. The stabil fuel additive for gasoline engine does the job and it makes sure. This way, every piece of equipment you fill with can be treated. And, this works as described and it is easy.

The additive works very well and it is made worth the money. Most importantly, the stabil fuel additive for gasoline engine fits right for the right size and it works as advertised.

Most buyers agree that the additive will help keep the fuel fresh for as long as 24 months as well as keep the fuel system clean if used regularly. Moreover, a few also found that the additive is good for a year at least. Also, they also found that this additive is really good for your lawnmower, motorcycle, power equipment, etc.

Top Customer Quotes:
  • It has a 2 year shelf life.
  • Ensures quick, easy starts after storage.
  • This is great for keeping gas around over winter for emergencies and use in snowblowers.
  • This provides protection against corrosion and condensation issues.

Best For Diesel: Rislone Fuel Additive For Gasoline Engine

Rislone Fuel Additive For Gasoline Engine
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The Rislone Fuel Additive For Gasoline Engine's material feels more premium than its price would suggest. The rislone fuel additive for gasolineengine is a great item, works as described and it is compatible with vehicle type. Make sure this fits by entering your model number. The best all in one gasoline fuel additive money can buy.

The additive runs smoother, works as advertised and it is made worth the cash. Further, the additive works in all gasoline - powered vehicles, including capless gas tanks. Most importantly, the rislone fuel additivefor gasoline engine noticed the difference, is good for fuel pump and it runs smoothly.

Almost all customers opine that the additive is best with high octane fuel and every 5k miles. Also, a few strongly agree that the additive cleans the fuel injectors but lubricates the upper cylinder walls. And, a few say that the additive works really well, especially if you've never used a fuel system cleaner to clean your fuel lines & intake. To sum up, buyers found this to be one of the best additives for daily purposes.

Top Customer Quotes:
  • This is one powerful bottle, plus it is best for performance cars too ,.
  • This is very happy, is designed for regular gas and it makes sure.
  • This provides reduced fuel system and emission control repairs.
  • This is good as redline, or lubeguard, or gumout.

Best For Regular Gas: Stp Fuel Additive For Gasoline Engine

Stp Fuel Additive For Gasoline Engine
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Stp offers a variety of additives for personal choice and yet maintains quality in all the variants. The Stp Fuel Additive For Gasoline Engine is very happy and it is easy to recommend item. Contains concentrated detergents for effective car care. Further, it is built with excellent quality, starts easier and it fills the tank.

Finally, the strong fueladditive forgasoline engines has improved performance and it is best for a good deal.

Most buyers agree that the additive can be used on any gasoline - run vehicle. In addition, a few say that the additive can only dissolve so much buildup. And, a few say that the additive improves gas mileage, plus it comes with two though.

Top Customer Quotes:
  • Use this additive with every oil change or every 4, 000 miles.
  • This is easy to use when filling up the car at the gas pump.
  • Jet fuel works as a carrier to deliver the active ingredients effectively.
  • This is made with jet fuel, a high-quality carrier of active ingredients.

Best For Lawn Mower: Quicksilver Fuel Additive For Gasoline Engine

Quicksilver Fuel Additive For Gasoline Engine
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The Quicksilver Fuel Additive For Gasoline Engine is the most convenient additive on the market today. The quicksilver fuel additive for gasoline engine is an excellent defense against the problems associated with ethanol blended fuels, including its corrosive effects on metals as well as the gum and varnish that result from fuel oxidation. In order to maximize your engine’s performance, use this complete fuel treatment at every fill-up with any grade of gasoline. Further, this can also be used to clean up existing deposits in untreated fuel lines, tanks, carburetors, injectors, intake valves, and spark plugs. Finally, the quicksilver fuel additive for gasoline engine can be of good quality and it makes sure.

Almost all customers opine that the additive takes time to see the benefit. In addition, they strongly agree that the additive will treat 1 million gallons. Overall, many customers have used the quicksilver fuel additive for gasoline engines for more than a few months without any problems, and it shows no sign of giving up.

Why We Like This:
  • Use one ounce to treat every 10 gallons of fuel.
  • Lot of satisfied buyers.

Best For More Power: Hot Shots Secret Fuel Additive For Gasoline Engine

Hot Shots Secret Fuel Additive For Gasoline Engine
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The Hot Shots Secret Fuel Additive For Gasoline Engine is satisfactory and appropriate and fits well with your daily use. The hot shots secret fuel additive for gasolineengine has miles per gallon and it is for throttle response. Your combustion chamber will be completely free of deposits when you preserve the integrity of your engine using hot shot's secret gasoline extreme. In addition, the additive is safe for gasoline equipment of all types, small and large engines alike. Above all, the hot shots secret fuel additivefor gasoline engine runs smooth, is designed for more power and it makes sure.

One customer says - "Done wrecked your sticker and catalog. ". Most buyers find that the additive has 220000 miles on it and it runs like it's new. In conclusion, buyers found this to be one of the best additives for daily purposes.

Why We Like This:
  • Stabilizes ethanol, smooths idle, dissolves gum & varnish.
  • Increases fuel economy by 7.9% (verified by 3rd party testing).
  • Lubricates & cleans: valves, pumps, injectors, rings, pistons, & upper cylinders.
  • Restores performance, power & fuel mileage.

Best For Easy Install: Acdelco Fuel Additive For Gasoline Engine

Acdelco Fuel Additive For Gasoline Engine
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We would, of course, be remiss if we didn't mention Acdelco Fuel Additive For Gasoline Engines for daily use. The acdelco fueladditive forgasoline engine provides protection that has been shown to last for thousands of miles. One ounce of this product will treat one gallon of fuel. This fuel system cleaner helps clean sulfur corrosion and provides a real defense against harmful sulfur contamination in the fuel.

Finally, the acdelco fuel additive for gasoline engine cleans the entire fuel system, does the job and it makes sure.

Almost all buyers opine that the additive is designed to clean your 2021 5.3l direct injection engine. In addition, they strongly agree that the additive is used to have a rough idle, but that has mostly gone away. In addition, a few say that this is the only cleaner that gm recommends for gm cars.

Top Customer Quotes:
  • This is made for good stuff and it works as advertised.
  • This is stated in the car manual.
  • This is good for fixing inaccurate fuel gauges.
  • This is the recommended fuel system treatment for chervolet cruze.

Best For All Gasoline Engines: Fuel Medics Fuel Additive For Gasoline Engine

Fuel Medics Fuel Additive For Gasoline Engine
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The Fuel Medics Fuel Additive For Gasoline Engine's material feels more premium than its price would suggest. The fuel medics fuel additive for gasoline engines is designed for all gasoline engines, 2 and 4 - cycle also. Make sure this fits by entering your model number. Moreover, it is so versatile that it can be used to treat smaller tanks such as lawn mowers, generators, weed eaters etc.

The additive keeps fresh fuel fresh and it is used for fuel system components. Above all, the fuel medics fuel additive for gasoline engines is used to protect larger tanks such as trucks, cars and boats.

Most buyers found that the additive is well worth the cost. Moreover, they say that the additives are suitable for your small engine.

Top Customer Quotes:
  • This runs smoother, removes water and it comes with ideal size boats.
  • This cleans and lubricates entire fuel systems, increasing power.
  • This is super concentrated additionally cleans by safely dissolving deposits, gums and varnishes.
  • This works well for fuel line, carborator & stabilizers.

Best For Storage: Primrose Fuel Additive For Gasoline Engine

Primrose Fuel Additive For Gasoline Engine
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The Primrose Fuel Additive For Gasoline Engine should be able to handle its purpose and duties with ease. The primrose fuel additive for gasoline engine is designed to maintain fuel stability throughout the seasons, including winter when condensation risks are higher. Prevention of phase separation also ensures your engine uses its fuel to the fullest extent, reducing waste and emissions while improving fuel economy and combustion. This ethanol gas treatment product also has the power to stop and reverse phase separation caused by condensation in ethanol gas tanks.

The additive prevents rust and it is easier. to. Further, this works well in any ethanol gas vehicle, including boats. Finally, the primrose fuel additive for gasoline engine comes with two 12 additionally it is designed to optimize engine performance.

Most buyers quickly discovered that the additives are great in small engines like chainsaws and blowers. And, they strongly agree that the additive will attract water from the atmosphere. Moreover, a few strongly agree that the additive is much much cheaper through amazon.

Why We Like This:
  • Phase separation prevention also saves your engine from knocking and failure.
  • This is very happy and it makes sure.
  • Get more from your engine for longer.
  • For prevention, use 12 ounces of additive per 50 gallons of gasoline.