Port/indirect fuel injectors, intake valves and ports
Upper cylinder to reduce friction and wear
Future carbon buildup on intake valves and ports
Maximized performance and fuel economy, reduced upper cylinder wear
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. 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 contains no alcohol and 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.