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 ...

The check engine light is on and it could be anything from a loose gas cap to a fouled up cylinder. Keith shows you how to find out the severity of the problem before bringing the car to the shop.

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.

Due to the weirdness of the Exclusion Zone in Pacific Drive, your car will develop quirks that you need to diagnose at the Tinker Station. However, the process of fixing quirks may seem a little ...