Changing the oil is the most common maintenance you'll have to do on your car, but what happens when the check engine light ...

Your check engine light can come on for a lot of different reasons, but there are only a few that occur after putting in gas. Here's what we know.

If your check engine light flashes and then stops, it could signal a serious issue. Learn what it means and what steps to take next.

While your check engine light is obviously meant for engine issues, it can often give you clues to problems in other parts of the car as well.