How to wash the throttle valve to really clean it?

2. Keep the throttle closed, spray carburetor cleaner around the door, and then wipe it carefully with a paper towel and a small plastic swab. 3. Break the throttle fan-shaped operation panel back and forth by hand to see if the throttle is clean and can be opened and closed freely. Then connect the air cleaner to the throttle body, make sure it is sealed, and tighten the screw of the metal clip. 4. Precautions: Do not unplug the accelerator position sensor for automatic transmission, it is on the throttle body, otherwise the accelerator pedal position needs to be reinitialized with instruments; Be careful not to spray carburetor cleaner on the air cleaner sealing apron of throttle body, which will corrode the apron and affect the sealing performance. The above cleaning of the throttle body belongs to local cleaning. To clean thoroughly, it is necessary to remove the throttle cable, completely remove the throttle body from the engine intake chamber and clean it with carburetor cleaner. This kind of cleaning process is troublesome, so it is recommended to go to the maintenance station. Especially in automatic transmission, after the throttle body is removed, it is necessary to use special instruments to initialize the position of the accelerator pedal, which is impossible for you.