Modern cars generate mountains of diagnostic data, and choosing the right OBD-II scanner can make the difference between ...

This article was updated in August 2025 with new products and information. That little yellow check-engine light is sneaky. Most of the time, you forget it could be there. But when it detects an issue ...

In the past, automotive diagnostic scanners were rather expensive. But today you can get a wireless interface for $10 online and use a multitude of apps to read codes, log, and monitor data in a wide ...

Courtesy of Amazon Get It! Where this scan tool really shines is in its bi-directional control and advanced repair guidance. The scanner allows you to send commands directly to your car’s systems to ...

With native J2534 pass-thru and topology mapping, Topdon's new OBD2 scanner line offers a lot of high-tier functionality for the price.

Once upon a time, you could diagnose the culprit of your Mazda MX-5 Miata's check engine light with a paperclip. We now use OBD-II technology for that.

Normally $66, this might make a great gift for Dad. Plus: a great $10 lantern for emergencies and camping trips. Rick Broida is the author of numerous books and thousands of reviews, features and blog ...

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?