Jectron Fuel Injection Cleaner by Liqui Moly®. 300 ml Can sheet metal. Regular use keeps injection system in perfect working order. Add the contents to the fuel tank and repeat every 1,200 miles (2,000 km) or as necessary. Suitable for all gasoline engines. Minimum fuel filling of 7 gal. is requested for optimum product performance. Formulated to clean and remove deposits from injector nozzles and promotes proper fuel delivery spray. Use of Jectron reduces fuel consumption and restores performance and throttle response.