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

Add Yahoo as a preferred source to see more of our stories on Google. Since the mandate of the OBD-II port in 1996, auto mechanics have accessed vital information about your vehicle by tapping into ...

️ Editor's note: This product category requires new testing about once a year. We'll update this article with the most recent information when it's available. Modern cars are technological marvels, ...

With layers of sensors, control modules, and software managing everything from engine performance to safety systems, today’s ...

OBD-II diagnostic device BlueDriver interprets engine error codes to suggest what might need fixing, and lets you know if your car is ready for a smog check. Wayne ...

Before I figured out how to work on cars, onboard computer systems scared me. I’ve had no formal training, after all, so the idea of a car’s complex electricals and countless sensors made DIY work ...

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 ...

This article was updated in November 2025 with new information. You know you’ve earned your DIY stripes when you can stay calm the moment something goes wrong. And with cars, that moment usually ...

I liked the Ancel BD310 for its approach to connectivity, allowing users to connect via the hardwired dongle or Bluetooth. The Bosch Automotive Tools 1200 provided tons of detailed vehicle information ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." The check-engine light suddenly appearing on your dashboard is enough to dampen any drive. For the ...