Tecflow Clean Up 201 Tecflow CleanUp 201 is a multifunctional fuel additive for diesel engines, designed to clean and maintain the entire fuel system. It can be used in both conventional systems and DI / Common Rail (CDI) diesel injection systems, with or without turbo or catalytic converter. Add to fuel every 10,000KM. PROPERTIES: Mixture of mineral oil and a unique multifunctional additive to achieve the following properties: - Reduces overall fuel consumption - Cleans the entire fuel system - Restores power - Reduces contamination of nozzles / injectors - Cleans fouled valves - Improves ignition - Improves cold starting - Improves lubrication (diesel oil) - Reduces exhaust gas (soot emissions) - Increases cetane number by 5 points - Prevents diesel gelling in winter - Reduces corrosion This is the best you can get for your car!