One-shot solution with compatible capless bottle. Increases the cetane number for cold starts Actively removes soot and ash from valves, injection nozzles and combustion chamber deposits Cleans the entire fuel system Cleaning additive to treat problems CLEAN-UP technology Application area Compatible with all types of diesel. Instructions Add directly to the tank. A 200-ml bottle will treat up to 50 l of fuel. To clean the engine thoroughly, use one bottle each time for four consecutive refuellings.