10 Best fuel system cleaner (2025)

• QUALITY ASSURED
• Reduces: rough idle, engine surge, hesitation, and spark plus fouling
• 20 oz. bottle.
• Improves: cold start performance, and fuel stability for up to one year

• Fuel system cleaner quickly cleans fuel injectors, valves and combustion chambers
• One can will treat 20 gallons of gasoline
• Restores performance and gas mileage
• Proven to increase combustion quality and power output
• Compatible with all fuel system materials, alcohol-blended fuels and common fuel additives

• Restore power and performance - Restores lost power and performance by removing gum, varnish, and other fuel system deposits.
• Maximize fuel economy - Keeps engines clean, and protects from deposits that rob engine efficiency and reduce fuel economy.
• Protect the fuel system and fuel gauge sensor from various types of corrosion - Multiple corrosion inhibitors protect metal components (both ferrous components like iron and steel, and non-ferrous components like copper and silver) from the damaging effects of corrosion.
• Vehicles with higher mileage accumulation can suffer from the effects of age - including carbon build-up and corrosion in the fuel system. Techron High Mileage Fuel System Cleaner helps keep your engine humming, no matter how many roads your vehicle has traveled.
• Techron High Mileage Fuel System Cleaner is fully compatible and protective in all commercially available ethanol blends (E10, E85, etc).

This Chevron Techron 12 oz. Fuel System Cleaner (2 Pack) is a top choice in . Customers appreciate its quality, performance, and value.

• RESTORES PERFORMANCE: Fuel injector cleaner cleans entire fuel system to help restore lost engine power
• INCREASED RESPONSIVENESS: Helps restore lost acceleration and throttle body response
• REDUCES CARBON DEPOSITS: Injector cleaner helps remove carbon buildup for increased power and acceleration
• SAFE ON ALL ENGINES: Specially formulated for direct injected or traditional fuel injected engines
• TREATS A FULL TANK: Formulated to treat up to 21 gallons of gasoline

• Restores fuel economy
• Stabilizes ethanol
• Maximizes horsepower
• Improves responsiveness
• For use in both gasoline and diesel engines

• SIX IN ONE: Equal to a bottle of regular injector & complete fuel system cleaner, upper cylinder lubricant, fuel stabilizer and conditioner, dry gas, gas treatment and octane booster
• INCREASE POWER AND PERFORMANCE: Boosts Octane, Power, Performance and Mileage, Stabilizes Gas, Lubricates and Protects
• SAVE GAS: Cleans and lubricates the complete fuel system; Engine dynamometer tests show improved fuel economy
• RUN SMOOTHER: Helps eliminate noisy injectors and fuel pumps, rough idle, hard starting and hesitation; Regular use provides reduced fuel system and emission control repairs
• EPA REGISTERED: Will not void manufacturer’s new vehicle warranty and safe to use on vehicles with oxygen sensors and catalytic converters; Exceeds EPA compliance performance criteria and is EPA registered

• Revitalize Your Engine: Gumout Multi-System Tune-Up is your ultimate fuel treatment gasoline solution, effortlessly cleaning GDI injectors, carburetors, and more for peak performance and fuel economy.
• Ultimate Engine Protection: Our advanced carburetor cleaner fuel additive prevents future carbon buildup, ensuring your engine runs smoothly. Perfect for gas, diesel, or ethanol engines, from cars to lawn mowers.
• Comprehensive Care: As a powerful fuel tank cleaner, Gumout cleans and conditions fuel systems, fighting ethanol and water corrosion while stabilizing fuel to reduce emissions and maximize engine life.
• Versatile Application: Add this gas treatment for car engines directly to the gas tank, crankcase, or via induction. Whether you're cleaning a carburetor or stabilizing gas, Gumout Multi-System Tune-Up has you covered.

• Specially formulated to remove carbon deposits from engines with over 75,000 miles
• Cleans fuel injectors, intake valves, and ports to restore performance and fuel economy
• Prevents future carbon build-up and reduces emissions
• Oxygen sensor safe and safe for use in turbocharged and supercharged vehicles
• Will not void OEM/manufacturer's warranty

• DESIGNED TO EXCEED EXPECTATIONS: Red Line complete SI-1 fuel system cleaner treatment for cleaning and preventing corrosion in fuel systems
• PERFORM AND PROTECT: Fuel additive cleans injectors, carburetors, valve and combustion chamber deposits with a powerful, concentrated blend of high-temp and low-temp detergents
• EFFICIENT FUEL BURN: Gas treatment that enhances gasoline stability, while reducing the build up of gum and varnish formation
• EASY TO USE: Use one bottle per tank for most effective treatment, additive cleans nearly 100% efficiency in one treatment
• One 15 Ounce Bottle