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 ...

This meant all the different methods of retrieving codes were standardized, right down to the diagnostic port plug that connects the computer to a code reader. The plug is located inside the cabin ...

start cheap—these are typically called code readers. If you want to see vehicular data through the OBD-II port, you'll want to spend some more. For those interested in cheap scan tools ...

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 ...