Liqui Moly Fuel System Cleaner (500ml Can) - 2030 is an all-in-one fuel system cleaner that helps to restore engine performance, reduce exhaust emissions, and improve fuel economy. It is suitable for all gasoline and diesel engines and is designed to dissolve deposits and prevent the formation of new ones. It removes carbon deposits, gum, and varnish from the entire fuel system, including injectors, intake valves, and combustion chambers. It also helps to reduce smoke, noise, and fuel consumption.