Even high-quality fuel can leave behind carbon deposits and corrosion from ethanol and water. Gumout® Regane® Complete Fuel System Cleaner conditions fuel against corrosion to help extend the life of key engine parts, while using P.E.A. (polyetheramine) to effectively remove deposits other products can’t, for maximized performance and fuel economy. Learn more about the science behind Gumout and PEA.
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.