What is the reason for idling jitter of engine of Guangzhou Automobile Chuanqi gs4 hot car?

The reason is that there is a certain amount of carbon deposit in the engine, and the positions where carbon deposit exists are spark plug position, nozzle position, throttle position and air intake position. Need to be cleared. At the same time, it is necessary to add high-grade fuel for many times to improve the explosion-proof performance of the engine, so as to remove carbon deposits and solve the problem of engine jitter. When the motor vehicle is hot-started, it may be because the throttle is too dirty or the nozzle is poorly atomized. Both of these conditions will cause the vehicle to shake during hot start. You can clean the accelerator of the vehicle, and if it is not solved, clean the nozzle of the vehicle. Million car purchase subsidy