Hapco Products - Fuel System Cleaner – 16 oz.

Hapco Fuel System Cleaner is guaranteed to thoroughly clean and lubricate any fuel system. Formulated to improve performance, reduce fuel emissions, stabilize fuel, remove harmful deposits and prevent future carbon buildup. Contains a blend of cleaning and lubricating agents that help eliminate knock, ping, run-on and start difficulties. Will not harm oxygen sensor or catalytic converter. For Best Results: Add one 16 oz. bottle of Fuel System Cleaner directly to fuel tank. One bottle treats up to 25 gallons. Repeat as necessary (average of 3000 miles). Safe for all gasoline, diesel and marine engines.