China Naming Network - Eight-character Q&A - There is a little air leakage when the national four diesel vehicle steps on the accelerator to accelerate, please solve it!
There is a little air leakage when the national four diesel vehicle steps on the accelerator to accelerate, please solve it!
First, the reason analysis
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 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.