All types of engines run clean and more efficient with the help of this additive. Special detergents remove clogging deposits from fuel-injector systems and clean away the gum and corrosion deposits from fuel tanks and carburetors. It also lubricates cylinder walls and eliminates severe wear of fuel-delivery systems. It works with all vehicles, including those with catalytic converters and computer-controlled engines. Reduces emissions. Good water removal. Reduces intake valve, carburetor, and port fuel injector deposits. Extends engine life.