An OBD2 (On-Board Diagnostics II) scanner can provide information about the status and health of various vehicular systems.

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Did your vehicle's check-engine light just pop on? An OBD-II scanner can provide some direction. We tested a handful to find ...

You can purchase any global scan tool — often called a code reader — at most automotive parts stores or online.

Saving yourself a trip to the mechanic is likely less expensive than you'd think. With Kobra's OBD2 Scanner & Wi-Fi Car Code Reader, you can plug it into pretty much any car made after 1996 to get ...

This scanner features a 2.8-inch screen and supports all major OBD2 protocols, meaning it can read the codes for most vehicles on the road that have an OBD2 port.

A code reader for your car can mean the difference between dropping everything and heading for the mechanic and letting that warning light ride a little bit.

Already an affordable option, right now you can save over $25 on this diagnostic code reader from trusted brand Ancel.

The scanner you buy should depend on which cars you plan to use it on most often. Some code readers are designed to work best with certain brands or even certain cars.

The latter option is very pricey - or is it? I've been playing with a Mucar CDE9000 Plus 2, an OBD2 scanner which sports a full touch-screen user interface in a chunky, robust rubber bodyshell.