How to solve the fault lamp of automobile exhaust emission?

Bian Xiao is about "How to solve the problem of automobile exhaust emission fault lights?" Provide you with the following related contents:

Solution of lighting fault lamp of automobile exhaust emission;

1. Start and shut down the vehicle for three consecutive times, or unplug the negative electrode of the engine battery and wait for 30 seconds before connecting. See if the engine fault light on the dashboard is still on after the above method is completed. This method only aims at the false fault of the engine;

2. The failure lights of the engine exhaust system are mostly caused by domestic oil quality problems or poisoning of the three-way catalyst, which leads to the damage of the oxygen sensor in the three-way catalytic system. If the light is on while driving, please slow down immediately and drive to the nearest maintenance service station for maintenance.

3. If the vehicle can't start after the fault light is on, it is usually caused by the fault of the fuel pump or ignition device. Just play the trailer. If you can continue driving, but the vehicle has symptoms such as severe jitter and weak acceleration, it is still recommended to stop driving, which can not only prevent further damage to the engine, but also ensure the personal safety of you and others.