When I got my first performance vehicle (a 2000 Subaru Forester STI) the first thing I bought for it was an OBD-II code reader so I could monitor the sensor levels and pull codes in the event anything ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Modern cars are technological marvels, and understanding what’s happening under the hood has never been ...

The automotive industry has a huge variety of OBD2 scanners that come in a wide range of price tags starting from less than $100 and going up as high as $10,000. This glut of options is probably the ...

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?

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 ...

What’s an OBD-II (sometimes alternatively referred to as OBD-2, and other times in either form absent the interstitial hyphen) scanner? Answering that question first requires an understanding of what ...

There's nothing more intimidating for many drivers than to find a warning error light appear on your vehicle dashboard. While some may be confident in their ability ...

We may receive a commission on purchases made from links. It's probably happened to everyone at least once. You're driving along enjoying your favorite tunes when suddenly, your car's "check engine" ...

️ 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, ...