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 ...

Have your owner’s manual handy. Place your vehicle in “park,” or “neutral” for a manual transmission. Firmly set the parking brake. Download and install the manufacturer’s code reader app to your ...

Gone are the days when a "check engine" light coming on your dashboard automatically meant a costly trip to a main dealer to have your fault code read. Diagnosing issues at home has never been easier.