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Jun 16, 2024

The Best Fuel System Cleaners In 2023

Autoblog may receive a share from purchases made via links on this page. Pricing and availability are subject to change. Cars normally run with limited issues when they're brand new, but over time

Autoblog may receive a share from purchases made via links on this page. Pricing and availability are subject to change.

Cars normally run with limited issues when they're brand new, but over time they experience wear and tear. Regular maintenance is important to ensure that minor problems don't become major issues. One area of car maintenance that is often overlooked is within the fuel system. This can be fixed yourself with a fuel system cleaner. Fuel cleaners remove carbon buildup and other harmful materials that can interfere with your engine's performance. Here are the best fuel system cleaners available on Amazon.

$17.98 at Amazon

The Liqui Moly Pro-Line Gasoline System Cleaner removes carbon deposits and buildup from the injectors and combustion chamber of your vehicle. It can also reduce emissions and improve the efficiency of the engine. This cleaner can treat up to 18 gallons of fuel.

$25.90 at Amazon

The Red LIne Complete Fuel System Cleaner is a fuel additive that cleans carburetors, injectors, valve chambers and combustion chambers. This additive uses a blend of high and low temperature detergents to clean out the fuel system. This cleaner is recommended to be used every 3,000 miles.

$9.99 at Amazon

This K&N Performance+ Fuel System Cleaner is safe for any type of gasoline engine, whether it’s carbureted or fuel injected and will clean up the entire fuel system. It will reduce carbon buildup while improving throttle body response and restoring lost acceleration. This cleaner can treat up to 21 gallons of fuel.

$5.98 at Amazon

This STP Complete Fuel System Cleaner is packed with cleaning agents that will clean the fuel system and restore performance for vehicles with over 75,000 miles. This cleaner is recommended to be used every 4,000 miles or during an oil change. It’s very simple to use and just needs to be poured into the gas tank while it’s half full.

$15.99 at Amazon

Quicksilver Quickleen Engine and Fuel System Cleaner has a powerful detergent blend that works great with all grades of gasoline and ethanol fuel. This cleaner acts quickly to remove carbon deposits and buildup from the carburetors, injectors, spark plugs, intake valves, piston crowns and cylinder heads. It can be used at every fill up and one ounce treats up to five gallons.

$12.29 at Amazon

This Chevron Techron Concentrate Plus Fuel System Cleaner will clean, restore and protect the fuel system. It restores lost engine performance and helps improve fuel economy. It also reduces rough idling, engine surge and spark plug fouling. This cleaner is recommended to be used every 3,000 miles and treats up to 12 gallons of fuel.

Using a fuel system cleaner is very easy, but always read the instructions before adding it to your fuel tank. While at the gas station for a routine fill up, add the fuel system cleaner additive first and then fill the tank with gas.

A fuel system cleaner uses a blend of detergents that clean your fuel system by removing carbon buildup and lessen buildup that will occur in the future. They also limit corrosion and rust while improving throttle response and acceleration.

They have similar names and do a lot of the same things, but they aren’t identical. Fuel injection cleaners only clean the injectors themselves while fuel system cleaners target the entire fuel system.

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