Modern cars generate mountains of diagnostic data, and choosing the right OBD-II scanner can make the difference between ...

Once upon a time, you could diagnose the culprit of your Mazda MX-5 Miata's check engine light with a paperclip. We now use OBD-II technology for that.

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 ...

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Almost all cars made after 1996 have an OBD2 diagnostic port for plugging into and reading trouble codes when a “check engine” light comes on. But some vehicles, particularly German ones made after ...

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?