Traditional Culture Encyclopedia - The 24 Solar Terms - What's the problem with Sylphy's engine fault light always on?

What's the problem with Sylphy's engine fault light always on?

Sylphy's engine trouble light is always on. Possible reasons:

1. Check whether the idle motor harness is in good contact and replace the idle motor harness.

2. The three-way catalytic converter is damaged.

3. The oxygen sensor is damaged.

4. The knock sensor is broken.

5. Oil problems can also cause the engine fault light to stay on.

6. Check the engine system with the automobile computer detector and read the specific fault code.