Lu Zun 2.4 Throttle damage fault

Check the signal voltage of throttle position sensor with computer. In this case, the throttle valve can be cleaned first and then reset. If it doesn't work, you must replace the throttle valve.

At that time, time delay relay, who was connected with the harness of daytime running lights, was not the function of accompanying me home as the merchants selling the harness of daytime running lights said. What delay function does the throttle self-test provide after the car is turned off?

As long as the harness of daytime running lights is aging and abnormal voltage or current appears, it will cause abnormal throttle circuit and lead to engine protection.