All vehicles built since 1996 are equipped with what’s called an OBD II (onboard diagnostics) system that taps into a car’s electronic control unit on a real-time basis and illuminates either of ...

We may receive a commission on purchases made from links. The check engine light is one of those dashboard warning lights drivers dread to see suddenly come on in the middle of driving. First-time car ...

Modern-day vehicles are equipped with numerous sensors designed to monitor every aspect of the car. If one of these systems detects an issue, it is likely to trigger the warning system, which will ...

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 ...

How to determine whether your car has a loose gas cap—or a serious engine problem This is what the check engine light looks like. By Consumer Reports You’re driving along in your car or truck and ...