The current version of the on-board diagnostics (OBD) protocol provides real time data as well as fault diagnostics, thanks to the numerous sensors connected to the data network in the modern vehicle.

Did your vehicle's Check Engine light just pop on? An OBD-II scanner can provide some direction. We tested a handful to find ...

Often, however, the explanation is simple and the problem is an easy fix. OBD stands for On Board Diagnostics, and an OBD-II scanner can check on your vehicle's vital systems, providing valuable ...