Introduction A basic OBD2 scanner is mainly used to read engine-related fault codes and basic emissions data. That may be enough for checking a Check ...

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

It happens at the worst time — stuck in traffic or a long road trip — when you see that check engine light flick on. Here's ...

If you've been involved in automotive repair for a while, you probably know that modern vehicles use onboard diagnostic (OBD) systems to help notify us when there's a problem. The OBD system works ...