Removes deposits in the diesel injection system and in the combustion chamber and prevents new deposits. Maintains all components of the diesel injection system. Prevents any seizing up and gumming up of nozzle needles. Boosts the cetane number, improves the ignition performance of the diesel fuel and ensures smooth engine running. Protects the entire fuel system against corrosion and wear. Optimizes the emission test values and the performance of the engine. Clean engines use less fuel and reduce the pollutant emissions.