While your car can’t talk, it communicates with you using chimes, icons, and messages. One icon that you should never ignore is the check engine light. It turns on when the car’s onboard computer ...

Onboard diagnostics (OBD) systems have been around since the 1980s and were developed to help limit harmful automotive exhaust emissions. Between 1988 and 1995, U.S.-built vehicles came with what's ...

You’re driving along in your car or truck and suddenly a yellow light illuminates on your dash telling you to check or service your engine. If you’re like most car owners, you have little idea about ...

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 ...

The check-engine light came back on again in my car. What should I do?Q. The check-engine light was on in my 2003 Ford Windstar, so I took it to a shop and they said all of the oxygen sensors were ...

A car’s “check engine” light is so mysterious. “Something is wrong!” it visually screams. What is wrong? Is my engine about to explode? Or did I just forget to tighten the gas cap again? The light ...

Three of the main reasons the check engine light or malfunction indicator lamp (MIL) turns on are: a loose fuel cap, issues with the ignition system, and problems with the emissions system. Many ...

More than almost any other vehicle problem or symptom, check engine lights (CELs) can cause anxiety among drivers from just about every level of ownership experience. It’s basically because, once a ...