What are the precautions for cleaning the automobile throttle?

Automobile throttle is a controllable valve to control air to enter the engine. After the gas enters the intake pipe, it will be mixed with gasoline to form a combustible mixture, and the combustion is successful. Precautions for cleaning the throttle are as follows: 1. Use special throttle cleaner. 2. Clean the sealed part of the air inlet. 3. When cleaning, remove the air inlet pipe, expose the throttle valve, and then remove the negative electrode of the battery. The method of cleaning the throttle valve is as follows: 1. Turn off the ignition switch and remove the negative electrode of the battery. 2. Remove the throttle pipe, air inlet hose and the screw for fixing the throttle valve in turn. 3. Clean the throttle with cleaning agent, and wipe the parts that cannot be cleaned with cotton thread.