Concentrated cleaner for gasoline injection systems. It improves the efficiency. It is safe for oxygen sensors and catalysts. It reduces hazardous emissions. It is developed for cleaning fuel systems, particularly, its most crucial parts: injectors. It removes resin and lacquer deposits, restores passability of the injectors, mixture formation process. It prevents further contamination of the injectors and fuel system. Preventive application: each 5000 km, restoring application: two fueling in a row. APPLICATION: Shake, pour the product in the full tank following the dosage of one bottle for 50 - 70 liters of fuel.