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 ...

Although commonly referred to as the “check-engine light,” some cars may instead display the message “Service Engine Soon,” or show a yellow or orange outline of an engine, perhaps with the word ...

Remember that mini heart attack you get when your 'Check engine' lights on? Yes, we all fear that light and rightly so. The check engine light usually signifies costly engine repairs that will put a ...