A: When a problem triggers the “check engine” light, a code will be set in the computer’s memory. Using a special tool, technicians can clear the codes, at least most of them. Some codes ...

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 ...

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.