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 ...

If you're a fan of diesel-powered trucks, chances are you've heard of Cummins engines. Although Cummins engines can be found in everything from commercial trucks to boats and mining equipment, the ...

Turn your smartphone into a professional car diagnostic tool with a $15-30 OBD2 adapter and free apps that read engine codes ...