A quick way to precisely diagnose myriad automotive problems-or at the very least get a rough idea of what might be wrong-is to use an automotive scan tool. Here's what these pint-sized computers ...

The best OBD-II scanners are a must for any car owner, thanks to their ability to unlock the secrets of your car. It doesn't matter how laid back you are, a mysterious light on your dashboard is ...

Well, right now you snag this Motopower OBD2 Scanner for just $15 — but hurry, this Lightning Deal won't last long. Learn what those pesky dashboard lights mean with this easy-to-use scanner ...

OBD2 scanners such as this one that’s just $30 at Walmart ($120 off), opened up DIY diagnostics to a whole new generation. Meaning, every driver should have one. Not only can it test your ...

but it's so small and attractive that it would be a shame to hide it in the glove box. This is an OBD-II scanner that you'll want to show off and use as an extra display inside the car.