Angelina explains what a check engine light indicates and how vehicle sensors and the engine control unit generate diagnostic codes. She shows how mechanics test those codes to find the underlying ...

There are few things more distracting when driving than a check engine light, or CEL. The CEL is a vague, catch-all light that indicates there is an error somewhere ...

When the check engine light comes on in a vehicle, it’s indicating that there is some issue with the car that should be checked out. It could be something minor, such as the gas cap not being screwed ...