What happens when the car throttle is dirty?

When the throttle is dirty, the following conditions will occur: 1, and the vehicle will shake 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. Throttle is a controllable valve that controls air to enter the engine. After the air enters the intake pipe, it will be mixed with gasoline to form a combustible mixture, which will be burned to do work. The method of cleaning 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.