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 ...

This light is properly called the Malfunction Indicator Light, so it’s kind of like a check-engine light. It’s telling you there’s something not right somewhere on the car and that you need to scan ...

Why it matters: Ignoring a check engine light can turn minor issues into costly repairs. Early, accurate diagnosis prevents damage and downtime. Tools you need: An OBD-II scanner, access to repair ...