"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Since the mandate of the OBD-II port in 1996, auto mechanics have accessed vital information about your ...

An OBD-II scan tool is an incredibly useful automotive diagnostic device, but it's not magic. Here's what it can and can't do ...

Whether you are a full time mechanic, or just a hobbyist, keeping track of all the different OBD-II codes for various vehicles is a nearly impossible task, and while not everyone wants to keep their ...

I was recently at a seminar going over some diagnostics for some of the problematic and reoccurring fault codes. The general discussion led us in an interesting direction about the nature of fault ...

That little yellow check-engine light is sneaky. Most of the time, you forget it could be there. But when it detects an issue, it illuminates menacingly. For many, the initial reaction might be to ...