You're driving down the road, everything seemingly normal. Then, out of the corner of your eye, you see a light come on: the dreaded check-engine light. A lot of people just ignore it; after all, it's ...

The top end of the technology ladder is held by a scan tool. This car diagnostic tool plugs into the OBD-II port (“OBD” is an acronym for on-board diagnostics, and the “II” designates the second ...

Brakes are an important component of your car, as they allow you to stop safely and in time. However, brake components wear over time, especially brake pads in the case of disc brakes and brake shoes ...

Possibly the most frustrating thing to deal with on an electronic fuel-injection car is the dreaded check engine light. Things were simpler with carburetors and distributors--you could hold the ...

The world of car diagnostics has changed a lot over the last 50 years. Back in the '70s and earlier, a mechanic's most valuable diagnostic tools were usually their eyes and ears. You could figure out ...

A lot of things can go wrong with the cars we drive. Fortunately, modern vehicles are built with onboard diagnostics (OBD) systems, which monitor various parts of the car and detect errors and ...

Dear Action Line: The car is making some new sounds, and I can feel vibrations I don't remember feeling before. What are telltale sounds and vibrations for car problems? - M.A., Tulsa.

Like a full body exam, a full vehicle diagnostic sounds like an in depth scan that will detect any problems with your vehicle. Unfortunately, a full diagnostic—like an annual checkup—is confined to ...