Fuel injector cleaner for high mileage is essential for maintaining the performance and efficiency of older vehicles. As engines accumulate miles, deposits can build up, leading to reduced fuel efficiency and increased emissions. The right fuel injector cleaner can help dissolve these deposits, restore optimal fuel flow, and improve overall engine performance. In 2025, several products stand out for their effectiveness, formulation, and user satisfaction, making them top choices for high-mileage vehicles. Whether you're looking to enhance your car's performance or simply maintain it, these cleaners are designed to meet the needs of aging engines.
Gumout 510013W-6PK Fuel System Cleaner, 6 Pack
- 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
$22.08
Chevron Techron High Mileage Fuel System Cleaner, 12 oz, Pack of 1
- 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).
$11.54
SALE
−$0.81
Lucas Oil 10977 High Mileage Fuel Treatment - 5.25 Ounce
- Clean fuel injectors and keeps them clean
- Reduces intake valve deposits and combustion chamber deposits
- Lubricates critical components in the fuel system and engine
- Stops knocking and hesitation
- Lessens oil contamination in older engines
$9.18
SALE
−$7.72
STP High Mileage Fuel Injector Cleaner and Carburetor Cleaner Treatment, Bottled Lubricant for Upper Cylinder, 5.25 Oz, 12 Count, STP
- Fights deposit buildup and engine friction
- Maintains optimal engine efficiency
- Safe for any gasoline engines
- Compatible with cap-less gas systems
- 1 bottle treats up to 21 gallons of gasoline
$31.82
Gumout 510023 Regane High Mileage Fuel System Cleaner, 6 oz. (Pack of 6) (510023W-6PK)
- The ALL NEW CarbonClear technology combines the PEA cleaning power you have come to trust with PIBA, and a patented technology for a better clean. The combination of the 3 detergents work synergistically to provide better cleaning power (new formula) vs. just PEA alone (old formula).
- Conditions upper cylinder to reduce friction and wear in high mileage vehicles
- Fights ethanol and water corrosion and prevents future carbon build-up
- Provides maximized performance and fuel economy in one fill-up
- Will not void OEM/manufacturer's
$29.99
Gumout 510021W-6PK Fuel System Cleaner, 6 Pack
- Keeps deposits from forming to maintain performance and fuel economy
- Prevents carbon build-up on indirect fuel injectors, carburetors, intake valves and ports
- Maximizes performance and reduces emissions
- Oxygen sensor safe and safe for use in turbocharged and supercharged vehicles
- Will not void OEM/manufacturer's
$18.25
Gumout 510011 Multi-System Tune-Up, 16 oz.
- 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.
$7.98
Royal Purple 18000 Max Atomizer Fuel Injector Cleaner, 6 fl. oz.
- Restores fuel economy
- Stabilizes ethanol
- Maximizes horsepower
- Improves responsiveness
- For use in both gasoline and diesel engines
$8.06
STP Ultra 5 In 1 Fuel System Cleaner and Stabilizer, Deep Cleans Fuel System and Fights Engine Friction, 12 FlOz
- Formulated to help save gas and lower emissions by deep cleaning the entire fuel system
- Formulated to help restore peak performance and reduce friction by lubricating engine parts
- Formulated to help prevent ethanol deposits and inhibit corrosion
- Works with modern gasoline engines such as turbo, direct inject and hybrid vehicles
- Compatible with cap-less gas systems
$14.42
Chevron Techron Concentrate Plus Fuel System Cleaner, 20 oz., Pack of 1
- 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
$17.02
Last update on 2025-05-03 / Affiliate links / Images from Amazon Product Advertising API