The starting speed of wood heating cannot be reduced.

Excuse me, do you want to ask what is the reason why the starting speed of wood heating can't be reduced? The reason why the starting speed of wood heating cannot be reduced is:

1, the spark plug is not working well;

2. The vacuum tube leaks;

3, high-voltage line leakage;

4. The 4.PCV valve is blocked;

5. The throttle position sensor bai is faulty;

6, stepper motor idling fault;

7, idle speed control valve failure;

8. Abnormal throttle opening;

9. Air leakage in the air intake system.