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 ...

Add Yahoo as a preferred source to see more of our stories on Google. You're driving down the road, everything seemingly normal. Then, out of the corner of your eye, you see a light come on: 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 ...

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 ...

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 ...

My friend’s car had a mystery leak. Instead of guessing, I let ChatGPT’s live video mode take a look. Here’s what happened.

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.