Hot Shot's Secret P040464Z Diesel Extreme Clean and Boost - 64 fl. oz. Clean out the tank, lines and injectors Remove free water from the system Stabilize fuel, boost cetane Lubricate the fuel pump and injectors Coat the tank and lines with a rust and corrosion inhibitor Restores Throttle Response Cleans Cylinders, Fuel Lines, Tank Disperses Moisture Increases Mileage &amp; Diesel Fuel Lubricity