What is the reason for the engine failure light of Tanyue to be on? When the engine failure indicator light of Volkswagen Tanyue is on, it is probably because the exhaust gas emitted by the car has no

What is the reason for the engine failure light of Tanyue to be on? When the engine failure indicator light of Volkswagen Tanyue is on, it is probably because the exhaust gas emitted by the car has not reached the standard. In addition, it may also be due to the poor working condition of the power unit. Therefore, when the vehicle has abnormal conditions such as the failure of the oxygen sensor, the blockage of the fuel injector, the deposition of a large amount of carbon deposits in the intake pipe, the failure of the accelerator pedal sensor, the failure of the crankshaft position sensor, and the improper contact of the line, the engine will light up. Malfunction light...