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 ...

When the dreaded malfunction indicator light turns on, it’s not the end of the world. Here’s how to cope with an MIL! Whether you know a lot about cars or nothing about them, it's never fun to see the ...

Check-engine lights, also known as Malfunction Indicator Lamps (MIL), appear for a reason-specifically when an engine is operating outside of its normal emissions parameters. When that light flashes, ...

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 ...