Product Overview
Gumout 510021 Carburetor / Fuel Injection Cleaner Saves Gas Case of 6 Bottles.
Oxygen sensor safe. Safe for use in turbocharged and supercharged vehicles. Will not void OEM/manufacturer’s warranty. 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.