16 What happened when Xinya r7 instrument reported the trouble of running lights?

This kind of fault needs to check the use of P-block locking device and brake switch; Epc light is mainly caused by dirty throttle body. This situation can be solved by cleaning the throttle body and then re-matching.

Another possibility is that the throttle electronic control unit is damaged, the engine control harness is damaged, the accelerator pedal position sensor is faulty, the crankcase ventilation system leaks, the air intake system leaks, the brake light switch is faulty, and the brake light bulb is ablated, which will also cause the epc light to light up. However, the most common thing is that the alarm light is turned on due to the failure of the throttle body and the brake light switch.

Automobile oxygen sensor is the key feedback sensor in the control system of EFI engine, and it is the key component to control automobile exhaust emission, reduce automobile pollution to the environment and improve the fuel combustion quality of automobile engine. Oxygen sensors are installed on the engine exhaust pipe.