Ds6 engine fault light is on. After the car was turned off, the air conditioning fan kept turning, so the car could not speed up and the idle speed became higher. Ask experts to answer. Car 3500.

After the ds6 engine fault light came on, the air conditioning fan kept turning, so the car could not speed up and the idle speed became higher. Please answer the expert, the car 3500 used a special cleaning agent to clean the accelerator. If it still doesn't work, use American-made additives suitable for China oil products. The company has general idling fuel additives and national standard 6 fuel additives and fuel cleaning agents. After filling the fuel tank and driving for 500 kilometers, the effect shows that there is no problem with other accessories through your description. After using these two methods, idle jitter and idle meter fluctuation.