How long does it take to clean the throttle?

The throttle valve is cleaned after driving for about 20,000 kilometers. Throttle is a controllable valve that controls air to enter the engine. After the gas enters the intake pipe, it will be mixed with gasoline to form a combustible mixture and burn successfully. The cleaning method of the throttle valve is: 1, turn off the ignition switch and remove the negative electrode of the battery; 2. Dismantle 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. The effects of dirty throttle are: 1, and the vehicle shakes when idling; 2. Insufficient power when the vehicle is driving; 3. Automobile consumption will increase; 4, the vehicle is easy to stall; 5, emissions are not up to standard.