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Gumout® Large
Vehicle Concentrated Fuel System Cleaner Use of a low quality discount gasoline can reduce your engine’s performance. Your vehicle may experience poor fuel economy, lost horsepower, hesitation, and rough idling. Gumout® Large Vehicle Concentrated Fuel System Cleaner helps to:
CLEANS:
INTAKE VALVES
Using Gumout® Large Vehicle Concentrated Fuel System Cleaner on intake valves ![]() ![]() FUEL INJECTORS
Using Gumout® Large Vehicle Concentrated Fuel System Cleaner on fuel injector ![]() ![]() DIRECTIONS:
Add entire bottle to nearly empty gasoline tank. Refill tank with up to 35 gallons of gasoline. For best results, do not refill tank until near empty. Repeat every 3,000 miles.
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* available at select retailers.
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