Discover what an OBD2 scanner is and how to use it to diagnose and fix car problems before they escalate into major repairs.

A viral video sparks curiosity about diagnosing car problems with a smartphone, but experts say current tech isn't quite ready to replace mechanics yet.

We’re obviously not talking about a jammed semi-automatic or dud ammo, but an engine misfire is fundamentally the same thing. A cylinder supposedly filled with compressed air and fuel—akin to ...

The check engine light is on and it could be anything from a loose gas cap to a fouled up cylinder. We show you how to find out the severity of the problem with the the CarMD diagnosis tool before ...