What parts should be checked for high idle speed of Wei Zhi V2?

FAW Wei Zhi v2 is equipped with a new generation of advanced high-performance engine-CA4GA1independently developed by China FAW Group, with advanced engine electronic control technology and mechanical structure technology. According to the above brief description of engine speed, this phenomenon is normal in some cases. For example, when the engine is started initially every day or restarted after a long engine rest, the idle speed of the engine will be controlled by the signal of the water temperature sensor due to the program factors of the engine control unit, that is, the engine speed will produce the above-mentioned speed phenomenon with the change of water temperature. Secondly, another factor in this situation is the basic setting of engine idle speed value. If the engine intake control system, such as idle motor, throttle position sensor and battery power supply, fails for a long time, the memory of engine idle value will be lost, which will cause the above-mentioned engine speed fluctuation. To sum up, I suggest you go to the repair shop to check the memory of the engine idle speed value, otherwise you can match it. After that, the engine data flow is analyzed to check whether the water temperature sensor signal is normal.