Due to humid weather in Taiwan, moisture might be brings into oil tank when fuel lid is turned on. So that the fuel tank to produce fuel leak due to rust. This product not only can clean oil tank and oil lines, dissolve the water in oil tank and guard against engine shut-down at idling but also clean sludge, varnish and carbon deposits in oil nozzle, combustion chamber and intake valve. Strengthen engine performance and decrease oil consumptions.