Gumout Fuel System Treatment - 6 oz Bottle, 4 Pack, Cleans and Restores Fuel Injectors

Carbon buildup across the fuel system can reduce the efficiency of engine combustion. Piston and cylinder wear at start up can harm parts and cause mileage robbing friction. Gumout Fuel System Treatment removes carbon deposits from engine parts to maximize engine performance and fuel economy. Plus it lubricates the upper cylinder to enhance engine longevity and maximize MPG.Directions: Just pour in gas tank. 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 nearly empty. This 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. Always store and transport tightly closed and upright position.Product Features:Easy to use, just pour in gas tankMaximizes fuel economy and engine performance; restores MPG and save on gasCleans fuel injectors, intake valves, carburetors, and portsLubricates upper cylinders to reduce friction and wear.Prevents future carbon buildup on intake valves and portsWill not void OEM/manufacturer's warrantyIncludes (4) Gumout Fuel System Treatment, 6 oz. Bottles