It is used for every oil change inspection, engine repair and every diagnosis of oil sludge. Dissolves dirt and sludge deposits in the interior of the engine. Used in all mineral and synthetic based engine oils. Can be used in all gasoline and diesel engines with catalytic converter and turbocharger. Used for contaminated engine oils and old oils. It has solvent-free active detergent content. The product can be used for compression losses in the piston ring area, as well as in case of hydraulic tappet rattling and delayed oil change. How to use: Our statements are recommendations based entirely on our experience and no responsibility is accepted for any damage caused without preliminary trials. Add to engine oil before oil change. Run the engine for approximately 10 minutes. The ideal additive amount is 10%.