What should I do if the engine idling is unstable after overhaul?

Everyone is concerned about "what should I do if the engine idling is unstable after overhaul?" Let me explain something to you:

Treatment of unstable idle speed of automobile;

1, idling instability is generally caused by carbon deposition inside the throttle and idling motor, which can be solved by cleaning the throttle and idling motor;

2. Poor gasoline quality leads to poor atomization effect of nozzle, and insufficient combustion of mixed gas in cylinder will also lead to unstable idle speed. It is suggested to use high-grade gasoline after using this box of gasoline and do a fuel system cleaning;

3. The spark plug does not ignite, resulting in one or more cylinders not working and unstable idle speed. Check whether the ceramic part of the spark plug has cracks and whether the ignition module is normal. Million car purchase subsidy