The cap is a crucial part of a car s fuel delivery system.
What does it mean if my engine light comes on.
It notably prevents gasoline fumes from leaving.
A loose fuel cap is one of the most common reasons why the check engine light turns on.
The check engine light or service engine soon light is one of the most misunderstood warning lights on a vehicle dashboard.
Generally a flashing cel indicates that the engine is misfiring which can damage your engine or catalytic converter.
When your car s check engine light illuminates your dashboard it s usually accompanied by a sinking feeling in the pit of your stomach.