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 ...

The Actron PocketScan is a good entry-level OBD code reader for the driveway mechanic.Actron The primary purpose of the OBD-II connection is for emissions testing, but one of the first and most ...

Seeing your vehicle's check-engine light come on can throw a wrench in your travel plans. It can also feel a little scary: Does it mean your ride is headed for the scrapyard? Or is there a simple fix?

Add Yahoo as a preferred source to see more of our stories on Google. Modern cars are technological marvels, and understanding what's happening under the hood has never been more important—or more ...

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 ...

REVIEW – Over the years, I can recall numerous times when I encountered a Check Engine light on my dashboard instrument display and I would either ignore it until something went wrong and I had to get ...

REVIEW – Back in the day, I used to work on my own cars but I gave it up as they became more computer than mechanical. My check engine light came on the other day so I decided to see if I could ...

Today’s vehicles may be festooned with exotic tech, but one of the most useful features is also one of the most underrated: the humble OBD-II port (On-Board Diagnostics). Hidden away under a plastic ...