What does it mean when the engine light on the car dashboard is on?

[Marian]

The reasons for the engine light on the car dashboard being on include: poor gasoline combustion state, engine knocking, poor fuel quality, carbon deposits inside the engine cylinders, and the computer failing to obtain engine data. When the engine light on the car dashboard is on, if the water temperature gauge and oil pressure warning light are not activated, the car can still be started. However, it is crucial to control the speed at this time and promptly drive to a repair station for inspection. Solutions for the engine light on the car dashboard being on: check the vehicle, listen for any abnormal sounds from the engine, and observe if the exhaust is unusually black or blue. If the situation is severe, do not continue driving recklessly; instead, contact a 4S shop to complete the inspection as soon as possible.