US Patent 7135447 Engine decarbonizing fluids

Fluids for cleaning and decarbonizing internal combustion engines include a fuel system and injector cleaner fluid to be added to the fuel tank, an engine oil supplement to be added to the oil crank case, an aerosol air intake cleaner to be aerosol sprayed into the air intake system and throttle body then scrubbed, an air induction cleaner and decarbonizer to be injected by sprayers while the engine is running, and a piston and ring cleaner fluid for cleaning and decarbonizing internal combustion engines.