Turn your smartphone into a professional car diagnostic tool with a $15-30 OBD2 adapter and free apps that read engine codes in seconds.

The Ancel AD310 OBD II Diagnostic Scanner is just $24 right now, $12 less than the $36 it’ll normally run you. Over 20,000 ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? The check engine light by its nature is vague, just a general indication that ...

If you purchase an independently reviewed product or service through a link on our website, Rolling Stone may receive an affiliate commission. So your engine light is on. It could be nothing. Or it ...

What do you do when the "Check Engine" light comes on in your car? A lot of people just ignore it; after all, that sensor is notorious for lighting up for no reason. On the other hand, it could ...

Can you train an AI to take a breath, wince, and remark, "Well, it's going to cost you"? That's probably easier than teaching one to diagnose problems with your car after a visual scan of its ...

AS cars have become more technologically advanced, it has become harder to work on them yourself as you need expensive diagnostic tools to be able to communicate with the car’s ECUs. But a new ...

Most cars have keyless entry and electronic ignitions that require expensive smart keys to start. You would think that would be enough to stop car thieves, but theft still happens, even though it’s at ...

Doctors use CT scans to figure out what's happening inside your body. And sometimes that's after a crash. But what if that same technology could be used to make the car safer to begin with? That's ...