An OBD-II scanner can do much more than read check-engine codes. These five features can help you diagnose problems faster ...

Code readers are diagnostic tools that every car owner should consider owning. Having one of these is as important as carrying a spare tire or a fire extinguisher in the trunk. Back in the day, before ...

Your check engine light can come on a host of reasons, ranging from a loose gas cap to a faulty engine component. If you see a light illuminated on your dashboard, you can use an OBD2 scanner to ...

After all, that’s precisely what the shop will do—so why not arm yourself with the same info? These days, there’s a huge range of scanners available, from basic plug-ins to high-tech Bluetooth models ...

When the check-engine light snaps on, it is not a suggestion, it is your car’s way of saying something in the powertrain or emissions system needs attention. I see it as an early warning system that ...