How to deal with the OBD warning light in a car?
1 Answers
The method to deal with the OBD warning light in a car is: enter the electronic control unit to read the fault code, determine the nature and location of the fault, and then proceed with analysis and repair. The OBD warning light in a car refers to the engine fault light, which monitors multiple systems and components, including the engine, catalytic converter, particulate trap, oxygen sensor, emission control system, fuel system, and EGR. The reasons for the OBD warning light to illuminate are: 1. Oxygen sensor malfunction; 2. Three-way catalytic converter leakage, blockage, or damage; 3. Faults in the emission control system, fuel system, or EGR.