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 ...

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 ...

Not so long ago, before software and electronics became so integrated, investigating car trouble and tuning performance was a mostly mechanical affair. Early electronic scanners and systems were brand ...

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

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 ...

View post: DeWalt’s 49-Piece Mechanics Tool Set Is the 'Perfect Size' for Your Car’s Trunk, and It's Only $45 at Amazon The Ancel AD310 OBD II Diagnostic Scanner is just $24 right now, $12 less than ...

Rev by DevToaster is an application for the iPhone and iPod Touch that allows real-time monitoring of vehicle ECU data from the OBD-II port. Rev interfaces with a WiFi OBD-II dongle. If your check ...

This article was updated in August 2026 with new products and information. A dreaded check-engine light can foretell a whole host of vehicular issues, ranging from cheap fixes to massive overhauls.

The 90s were a pivotal time in world history, and 1996 was no different. You might have spent the year glued to the TV playing Super Mario 64, or perhaps you were busy campaigning for Bill Clinton or ...

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?