The 3M 8.5 oz Throttle Plate and Carburetor Cleaner, part number MMM-8866, is designed to remove residue and deposits from throttle bodies and carburetors, which can improve engine performance. This cleaner also lubricates the assemblies after cleaning, which may make a vehicle easier to start and run smoother. The product comes in an aerosol can with a nozzle that allows dispensing at any angle.