A check-engine light could be a gentle reminder or a sign of something catastrophic. We explain what a malfunction indicator light is and what you can do about it.

When your check engine light comes on, it is a warning that something is wrong with your vehicle. Here are five of the most likely causes to check for.

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.

John Paul, AAA Northeast's Car Doctor, answers a question from a reader who wants a check engine light cleared.

When the check engine light comes on, it’s indicating that there is some issue with the car that should be checked out. This article provides tips on what this signal could mean, and even how to ...