Wuling light 6390nf throttle response is slow.

It may be caused by excessive carbon deposition in throttle and idle motor.

It is suggested to mainly check whether there is carbon deposit in the throttle valve, and at the same time clean up the carbon deposit in the engine intake and combustion chamber, which can be carried out by hanging bottles. Finally, the diagnostic computer is used to detect whether there is a fault code in the engine and initialize the injection time of the throttle and injector.