Modern vehicles are packed with technology that monitors vital signs and can alert the owner to a potential problem. But the issue for the everyday motorist is that warning lights only tend to come on ...

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 ...

OBD-II is a second-generation on-board diagnostic system, which is the technology since 1996, almost all car production. OBD-II scan tool is a device that can communicate with the vehicle's OBD-II ...

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 ...

Anyone who’s driven a vehicle has had an error light pop up on the dashboard at some point. You have a few options when this happens: you can take the vehicle ...

That's where OBD-II scanners come in, giving enthusiasts and everyday drivers a window into their vehicle's diagnostic systems. If you're chasing down the cause of a check-engine light, ensuring peak ...

Which OBDII scanners are best? Those annoying dashboard warning lights only tell you that something is wrong. They don’t tell you that the problem could be anything from a loose gas filler cap to a ...

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?

After all, that’s precisely what the shop will do—so why not arm yourself with the same info? These days, there’s a huge range of scanners available, from basic plug-ins to high-tech Bluetooth models ...