How often is the throttle carbon deposit washed?

It is more appropriate to clean the throttle after driving 20,000 kilometers: 1. The benefits of cleaning are cleaning up carbon deposits, improving intake and injection accuracy, improving fuel efficiency and prolonging engine life. Dirty throttle will have the following effects:

2. Power decreases fuel consumption unchanged, or power increases fuel consumption unchanged;

3. Under the condition that the ignition systems such as spark plugs and batteries are trouble-free, it is sometimes difficult to start cold.

4. The growth rate is slow, or the growth rate is unstable, accompanied by unstable idle speed.

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