Dongfeng Tianlong has been idling 1000 rpm.

Not normal. When Dongfeng Tianlong is idling, it is abnormal that the engine speed reaches 1000 rpm, and the normal speed is 500-800 rpm. The owner needs to check the reason of high engine speed.

1. It may be that the temperature sensor of automobile coolant is faulty. If the coolant detects that the engine temperature is low, it will adjust the fuel injection quantity, increase the working efficiency of the engine, make the engine reach the normal temperature, and the rotation speed will be high when idling. The owner needs to replace the coolant temperature sensor in time.

2. It may be that there is carbon deposit on the throttle, the throttle is not working properly, the fuel injection quantity controlled by the computer according to the throttle will be incorrect, the engine speed will increase when idling, and the owner needs to replace the throttle in time. Thus, it is abnormal that the speed of Dongfeng Tianlong idle engine is too high. Need to check the cause and repair it in time.