The scanner can reveal the trouble code hiding behind your Check Engine light, but you should not treat that as a definitive diagnosis.

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 ...

A check engine light can appear without warning, leaving drivers wondering whether the problem is minor or requires immediate attention.

When the check-engine light snaps on, it is not a suggestion, it is your car’s way of saying something in the powertrain or emissions system needs attention. I see it as an early warning system that ...