The correct way to clean the throttle?

The correct way to clean the throttle is as follows: 1. If there is a plastic heat shield on the engine, remove it. 2. Remove the air line around the throttle and record the position. 3. The throttle valve is close to the combustion chamber side, which is generally dirty and has black carbon deposition, and is the main cleaning part. 4, cleaning the throttle, mainly to clean up carbon deposits, you can use special cleaning liquid or detergent, these detergents are harmful to the human body, wear gloves and masks when cleaning. 5. Spray the cleaner to the position with more carbon deposits on the throttle and wait for 5- 10 minutes. Using brushes can greatly speed up the removal of carbon deposits. When the carbon deposits dissolve, you can wipe off the detergent with a towel. 6. Install the cleaned throttle valve to its original position and install all air pipes.