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 ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. (iSeeCars) – A vehicle’s Check Engine light ...

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 ...

A vehicle’s Check Engine light can turn any car ride into a harrowing experience. As soon as the check engine light illuminates, it’s hard not to hear the cha-ching sound of a cash register right ...

Fear of the unknown is the greatest fear of all, so let’s start by understand exactly what the check engine light is. In automotive terms it is known as MIL (Malfunction-Indicator-Lamp) and is an ...

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 ...