The world of car diagnostics has changed a lot over the last 50 years. Back in the '70s and earlier, a mechanic's most valuable diagnostic tools were usually their eyes and ears. You could figure out ...

We may receive a commission on purchases made from links. The OBD acronym stands for on-board diagnostics, a system built into modern vehicles that monitors the performance of the engine and other ...

The OBD-II port. It's one of the most fascinating features of most modern cars, and, for lack of a better word, it's a portal into all of your car's deepest and darkest secrets. No, it's not hiding a ...

That 16-pin connector tucked beneath the dashboard of every car built after 1996 is one of the most underused tools available to everyday drivers. Most people encounter the OBD-II port only when a ...