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 ...

Your check engine light can come on a host of reasons, ranging from a loose gas cap to a faulty engine component. If you see a light illuminated on your dashboard, you can use an OBD2 scanner to ...

Finding the root cause of a vehicle issue takes time, skill, and experience. Here's what goes into proper diagnostics.

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 ...

This automotive restoration video follows the arrival and initial diagnostic process of the cheapest supercharged luxury ...

Mechanic holding an ignition coil while working on an engine - Михаил Руденко/Getty Images Ignition issues can be a real pain to both diagnose and deal with. Sure, generally speaking, having a faulty ...

FIXD OBD2 Scanner Review: Is It Worth Your Money? I recently tried out the FIXD Bluetooth OBD2 Scanner, and it's been a real game changer for understanding my car's health. This handy tool connects ...

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.

Research methods have evolved in the 21st century, with more information than ever available online. Back in the 2000s, a weekend warrior looking to fix a problem with their car might seek out advice ...

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.