Not so long ago, before software and electronics became so integrated, investigating car trouble and tuning performance was a mostly mechanical affair. Early electronic scanners and systems were brand ...

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 ...

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 ...

A few weeks ago, I decided to buy a couple of cheap OBD-II adapters to start out some ethical hacking experiments. However, when looking for a reliable adapter on the market, you can get a lot of ...

From spotting a loose gas cap to uncovering hidden engine troubles, OBD-II scanners have changed how we diagnose and maintain our cars. These compact tools read fault codes from your car’s computer, ...

A range of 2026 buyer’s guides and MSN automotive features identify standout OBD-II scanners and diagnostic tools for both DIYers and professionals. Reviews emphasize capabilities such as live data ...

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?