Most drivers think the OBD-II port is only for check engine lights, but the right scanner can unlock live vehicle data and ...

Modern vehicles are rolling computers, with systems managed by embedded hardware and software designed to talk to the manufacturers' diagnostic tools locally and wirelessly. While this complexity can ...

That 16-pin connector tucked beneath the dashboard of every car built after 1996 is one of the most underused tools available ...

We may receive a commission on purchases made from links. The OBD acronym stands for on-board diagnostics, a system built into modern vehicles that monitors the performance of the engine and other ...

Add Yahoo as a preferred source to see more of our stories on Google. Modern cars are technological marvels, and understanding what’s happening under the hood has never been more important—or more ...

Seeing your vehicle's check-engine light come on can throw a wrench in your travel plans. It can also feel a little scary: Does it mean your ride is headed for the scrapyard? Or is there a simple fix?

Replacing a worn-out, oil-burning, smoke-belching engine in a 4x4 is a big goal for many enthusiasts. Swapping in a late-model, fuel-efficient, more powerful engine is a great idea, but when it comes ...