Why is the Wuling Rongguang Engine Malfunction Light Constantly On?
2 Answers
The reasons for the Wuling Rongguang engine malfunction light being constantly on are: 1. The vehicle's malfunction light usually comes on mostly due to fuel emission system failures. When the malfunction light is on, start and turn off the vehicle three times, then start the vehicle again to observe whether the malfunction light remains on. If it stays on, it is necessary to promptly go to a service center to check the fault code to determine whether it is an engine problem or a sensor failure. If the light does not come on, it may be an occasional fault and does not require immediate inspection at the service center. 2. The engine has a self-check function to detect some faults in the car engine, mainly including sensor and actuator faults. When a fault is detected, the computer stores this fault in the form of a fault code and will illuminate the malfunction indicator light to remind the driver to take appropriate action.
I've been driving the Wuling Rongguang for cargo transport for three years, and the engine light has come on several times. The most common issue is the oxygen sensor on the exhaust pipe getting dirty or failing. This thing monitors the exhaust composition, and if it's dirty, the car will falsely report faults. Also, if the fuel tank cap isn't tightened properly, the light can come on because a leaky tank affects the fuel vapor recovery system. If you've recently filled up at a cheap gas station, poor fuel quality leading to incomplete combustion can also trigger it. But the first thing you should do is connect an OBD scanner to read the fault codes—it costs just 20 yuan at a repair shop. Last time, my throttle was dirty, and after cleaning it, the issue was fixed in half an hour. Is the car shaking? Is the idle stable? Make sure to tell the mechanic about these symptoms.
