Helps to maximize fuel economy, restore lost horsepower. Helps to clean the entire fuel system, including the intake valves and ports, chamber, cylinder heads, piston tops, fuel lines and fuel injector. Helps eliminates knocks, pings and hesitation, improve acceleration and gas mileage and prevent future deposit build up for 3000 miles. Helps remove water from gasoline. Use every 3,000 miles. Treats up to 21 gallon of gasoline.