GDI/direct and port/indirect fuel injectors, intake valves and ports, piston tops, cylinder heads, combustion chamber
Fuel to fight ethanol and water corrosion, upper cylinder to reduce friction and wear
Future carbon buildup
Specially formulated for vehicles over 75,000 miles. 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.
Add entire bottle to nearly empty gasoline tank, ideally at time of oil change. Refill tank with up to 19 gallons of gasoline. For best results, do not refill tank until near empty. Repeat every 3,000 miles. The product will not harm catalytic converters or oxygen sensors. Can be used with all unleaded, oxygenated, and reformulated gasolines. Safe to use with other Gumout® fuel additives.