How to troubleshoot electronic throttle body? This is a frequently asked question these days, today I will talk to you about this topic.
(1) Confirm that there is no abnormal condition of ECU and fault EPC light.
(2) Check with the fault diagnostic instrument to confirm the fault information record.
(3) Check the hot engine data flow with the troubleshooter to see if it is within the normal range.
Confirm the existence of the fault phenomenon reported by the owner, and find the exact location of the symptoms. It should be noted here.
The information provided by the user is very important, especially the fault symptoms. Time of occurrence. This information can help the technician to determine the fault quickly and effectively to improve the speed and quality of the repair. Then conduct an external inspection to see if the harness joints are clean and secure.
Next, check whether the wire connection is loose or poor contact. Or the phenomenon of receding. Then check the electronic throttle peripheral power supply condition. Finally determine whether to replace the ECU or electronic throttle components themselves quality problems.
Note: electronic throttle body due to the special characteristics of China’s road conditions, as well as the impact of the use of the environment, electronic throttle body and the valve body is easy to block the blockage between the air into the engine, it is easy to cause the engine to stall.
