Cleans carbon & deposits from the fuel injectors & combustion chambers. Contains a special blend of solvents, dispersants & additives that safely & effectively dissolve deposits. Will not harm fuel system components, catalytic convertors or oxygen sensors. Aerosol package allows the service to be performed without the need for shop air. Designed for use with MOC Fuel Injector Cleaning Tool (MOC-74000) but can also be used with mnay “valve style” injector cleaning tools.