How to clean the throttle of a car (how often does the throttle change)

How to clean the throttle of a car (how often does the throttle change) The replacement cycle of the throttle is about 20,000 to 30,000 kilometers. The throttle valve is connected with the air filter and the engine block, and it 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 will be successful. Throttle is divided into traditional cable type and electronic throttle. The performance of the throttle failure is:

1, the engine fault light is on;

2. Lack of motivation and acceleration;

3, the engine idle speed is abnormal jitter, unstable speed;

4. It is difficult to start the cold car;

5. Abnormal engine noise;

6. The exhaust pipe emits black smoke.

Million car purchase subsidy