Car diagnostic tests scan a car’s components and integrated systems for errors or malfunctions before they become dangerous. These tests leverage computerization to keep your car in optimal working ...

On-board diagnostics, or OBD, is a system that is used to monitor and diagnose problems with a vehicle. It can be used to track things like fuel consumption, engine performance, and emissions. OBD ...

If you've ever gone to a mechanic for a check engine light problem on your car, then chances are you've heard the technician say something about an OBD scanner. It's a handheld phone-like device that ...