Removes deposits in the diesel injection system and in the combustion chamber and prevents them from renewed formation. Maintains all components in the diesel injection system. Prevents jet needles from fusing and gumming. Increases the cetane rating and improves the ignition performance of diesel fuel. Ensures quiet engine running. Protects the entire fuel system from corrosion and wear. Optimizes the emission test values and performance of the engine. Clean engines need less fuel and reduce emissions.