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

Knowing it would be a handful to maintain, one of the first tools I made sure to pick up was an OBDII reader. It made diagnosing problems and solving warning lights way easier than I expected.

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

Rev by DevToaster is an application for the iPhone and iPod Touch that allows real-time monitoring of vehicle ECU data from the OBD-II port. Rev interfaces with a WiFi OBD-II dongle. If your check ...

We recently got our hands on the new GoTech mobile OBD-II diagnostic tool and put it through its paces on several trucks in our fleet. The GoTech is more than just a code reader, though.

Rev by DevToaster is an application for the iPhone and iPod Touch that allows real-time monitoring of vehicle ECU data from the OBD-II port. Rev interfaces with a WiFi OBD-II dongle. If your check ...

A quick scan with an OBD II reader showed nothing out of the ordinary (an electrical failure in the VTEC system should show as a DTC1259 code), so we proceeded to inspect all electrical connectors ...

Vehicle Mind is an OBD-II tool, but it’s also much more advanced and connected. “A code reader may just say ‘catalytic converter,’ which isn’t descriptive enough,” Ciadella said.

I'm sure that around 1996 when the switch from OBD I to OBD II took place that there were still some cars that had that capability, but I haven't heard of that being able to do that on any newer cars.