Liqui Moly Diesel Purge 1 Litre Diesel Flush contains a mixture of agents with powerful cleaning properties. The special additives guarantee corrosion protection and increase ignition performance (cetane number). Used for all diesel engines to prevent and eliminate problems associated with uneven idling and partial-load knocking. Quantity to be used for preventive and remedial use: 500 ml. Cleans fuel systems. Breaks down deposits in injectors. Improves the ignition performance (cetane number) of diesel fuel. Prevents partial-load knocking. Protects against corrosion. Guarantees optimum combustion. Increases operational reliability and economy. INSTRUCTIONS Preventive Use Add to diesel fuel according to the inspection intervals . Remedial Use Unclip the fuel pipe and immerse the end in the Diesel Flush. Close the fuel return pipe or feed that into the Diesel Flush. Start the engine and allow the engine to run at different speeds with the Diesel Flush unmixed. After the cleaning process, assemble the vehicle’s system. In extreme cases, repeat the cleaning procedure if necessary.