BG Platinum™ 44K® Fuel System Cleaner safely, rapidly and thoroughly removes engine deposits in combustion chambers, intake manifolds, ports and on valves. It restores flow in fuel injectors and cleans the entire fuel system. BG Platinum™ 44K® Fuel System Cleaner improves fuel economy and reduces exhaust emissions. It restores that “like new” driveability to an engine’s performance and keeps it running better, longer and more efficiently. Add one can or bottle to fuel tank at fill up. Catalytic converter and oxygen sensor safe. NOTE: After cleanup with BG Platinum™ 44K® Fuel System Cleaner regular use of BG Supercharge®II, Part No. 202, in gasoline engines or BG Diesel Fuel Conditioner with DPL, Part No. 2276, in diesel engines will prevent deposits from forming in the fuel system and upper engine for maximum driveability and fuel economy.