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.

Resetting a check engine light can save you stress and a trip to the mechanic so long as you have access to an OBD2 scanner.

The check engine light is your car’s way of alerting you that something's amiss — but it could be as minor as a loose gas cap, or more serious, like a faulty oxygen sensor. Repair costs for ...

The check-engine light is a signal that the onboard diagnostics system (or OBD II) has detected a malfunction in the vehicle's emissions, ignition or fuel systems.

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.

I have two questions. First, my 1997 Ford Taurus passed inspection about three weeks ago. After week two, the check engine light went on. The only thing I could think of was that my son had just ...

Now it seems that the check engine light goes off when driving at a lower speed, and goes on when driving on the highway. I checked the vacuum line for leaks, and it appears to be fine. The car ...

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.

What Your Check Engine Light Means and What To Do About It Get yourself an OBD-II scan tool, the first step in diagnosing modern automotive troubles.