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 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 ...

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.

You Can Find Out What Your ‘Check Engine’ Light Means for Free Sure, you could take it to a mechanic—but there's a quicker way, and it's free.

Continuing to drive once the check engine light is on raises the risk of increased vehicle emissions, reduced fuel economy, power loss, severe engine damage and vehicle breakdown.

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.