Gumout® One-N-Done Complete Fuel System Cleaner is specially formulated with advanced P.E.A. technology for unsurpassed cleaning strength. It is designed to be a once-per-year treatment that improves performance & fuel economy and helps reduce emissions in just one use. Compare that to using products that require repeated usage every fill up or 3000 miles and you will find that One-N-Done offers the most complete fuel system cleaning at the best value. Learn more about the science behind Gumout.
Polyetheramine, or P.E.A. for short, is the most advanced cleaning agent available. It is strong enough to cut through thick carbon deposits even in the intense heat found in the combustion chamber.
Proven in the lab, on the street and on the track to clean the entire fuel system in just one tank
*Industry standard and modified tests: ASTM6201, D5598 and D5500. Pictures from actual test vehicles.
This product contains no alcohol and will not harm catalytic converters or oxygen sensors. Can be used will all unleaded, oxygenated and reformulated gasoline.
This product can expose you to chemicals including Naphthalene, which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.