Add Yahoo as a preferred source to see more of our stories on Google. You're driving down the road, everything seemingly normal. Then, out of the corner of your eye, you see a light come on: the ...

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 ...

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?

Learn what those pesky dashboard lights mean with this easy-to-use scanner, compatible with almost all vehicles made after 1996. Car issues can be incredibly expensive, and many of us feel like we're ...

View post: Brighten Up Your Workspace With Walmart’s $9 Rechargeable LED Work Light Not anymore. Scanners capable of pulling diagnostic trouble codes (DTCs) from a modern-day car’s on-board diagnostic ...

In the past, automotive diagnostic scanners were rather expensive. But today you can get a wireless interface for $10 online and use a multitude of apps to read codes, log, and monitor data in a wide ...

Something we all dread seeing is the check engine light popping up on our dash. Instead of guessing what’s going on, OBD2 diagnostic scanners can look over your car’s systems and help you figure out ...

Plug in all the things.

An OBD2 (On-Board Diagnostics II) scanner can provide information about the status and health of various vehicular systems. This information can help inform the user as to what the source of a problem ...

A basic OBD scanner can help check a used car, but it cannot reliably prove that the odometer reading is genuine.

A quick trip to your local parts store could tell you why that warning light is on—and it might not cost you anything.