What happened when Wei Zhi was not idle?

There may be something wrong with the throttle. It is suggested to check at 4s point, and then you will know where it is. Idle speed problem is mostly the fault of throttle body, which should be around 500-600 (assembly). There are many reasons for the fault light to light up, most of which are throttle body fault, accelerator pedal or circuit fault, and oxygen sensor fault.