What does the yellow light on the car mean?

The yellow light on the car is generally a fault reminder and maintenance reminder. There are many kinds of yellow lights on the car dashboard, mainly including engine fault light, oil fault light, tire pressure fault light, gearbox fault light, Maintenance reminder lights, etc.

When the car's yellow light comes on, it generally means that the car has a fault. At this time, the vehicle must be inspected and repaired according to the type of the fault light. There are many reasons for the engine fault light to come on, including excessive engine temperature, engine cylinder shortage, engine knocking, severe carbon deposits in the engine, poor fuel quality, etc.

The reasons why the meter light in the car is on are:

1. The quality of the gasoline is poor and does not meet the standards;

2. The oxygen sensor is faulty;

3. Air flow sensor failure;

4. Spark plug carbon deposits;

5. Engine knocking;

6. Water temperature sensor damaged;< /p>

7. Lack of cylinder.