It happens at the worst time - stuck in traffic or a long road trip - when you see that check engine light flick on. Here's why it may keep returning.

So what’s a Fox-body owner to do when the Check Engine light comes on or stays on while driving around? Check for trouble codes of course.

How to get your OBD2 codes read at an auto parts store Many auto parts stores offer code readings as a free service. Advance Auto Parts, AutoZone, and O’Reilly are among the stores that will.

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 ...

Many drivers don't realize that AutoZone, the nation's largest auto parts chain, will do the following services free of charge: Read the codes on your check engine light Test your battery's voltage ...

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.

Consumer Reports explains what the check engine light means and what to do when you see it: how to tell if your car has a loose gas cap—or a serious engine problem.

Many drivers don't realize that AutoZone, the nation's largest auto parts chain, will do the following services free of charge: Read the codes on your check engine light ...