When cleaning the injectors with a pressurized injector cleaner, prior to starting the engine, ______.

Question

Quizplus · Accepted Answer

All the options listed are correct steps in the process of cleaning the injectors with a pressurized injector cleaner. Removing the fuel pump relay or fuse prevents the fuel pump from interfering with the cleaning process. Pinching off the fuel return hose ensures the cleaning solution is directed through the injectors, and connecting the can of cleaner to the Schrader valve on the fuel rail allows the cleaning solution to be introduced into the fuel system.

When Cleaning the Injectors with a Pressurized Injector Cleaner, Prior