Bardahl 5025 Complete Fuel System Cleaner - 5 fl. oz. Cleans the total fuel system for up to 3,000 miles & removes carbon deposits from the injectors, intake valve and combustion chamber Eliminates hesitation, hard starting and rough idling Restores power, enhances performance and improves fuel economy Reduces the octane requirement and need for premium fuel & effective in all types of injectors, GDI systems Compatible with E85 Ethanol fuel blends