An excellent product from the German company LIQUI MOLY is a valve cleaner. It is suitable for gasoline and diesel engines of all vehicles. By using Valve Clean regularly, it is possible to: reduce fuel consumption, as cleaned valves provide better filling of cylinders with fuel-air mixture. Reduce harmful exhaust emissions as the mixture burns more efficiently. Protect the engine from corrosion and carbon deposits thanks to cleaning additives, avoiding carburetor icing in winter.