The check engine light or service engine soon light is one of the most misunderstood warning lights on a vehicle dashboard.
What does it mean if my engine light comes on.
It notably prevents gasoline fumes from leaving.
When your car s check engine light illuminates your dashboard it s usually accompanied by a sinking feeling in the pit of your stomach.
It could come on from something as simple as a loose or cracked gas cap to a more complex issue like a problem with the catalytic converter.
Generally a flashing cel indicates that the engine is misfiring which can damage your engine or catalytic converter.
A loose fuel cap is one of the most common reasons why the check engine light turns on.