Product Review

Gumout Fuel System Cleaner removes carbon deposits from engine parts to maximize engine performance and fuel economy. Carbon build-up across the fuel system can reduce the efficiency of engine combustion. Gumout Fuel System Cleaner cleans the fuel injectors, intake valves and ports and also prevents future carbon build-up. Oxygen sensor safe and safe for use in turbocharged and supercharged vehicles. It will not void OEM/manufacturer’s warranty. Directions: Add entire bottle to nearly empty gasoline tank, then fill tank with up to 21 gallons of gasoline. For best results, do not refill tank until near empty. Use every 3,000 miles.