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 ...

We've compiled a list of some of the best OBD2 diagnostic scanners describing their features, specifications, compatibility, and benefits. The automotive industry has a huge variety of OBD2 scanners ...

Autoblog may receive a share from purchases made via links on this page. Pricing and availability are subject to change. We’ve all experienced the dreaded “check engine” light on the dashboard of our ...

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?

In 2026, the gap between professional diagnostics and DIY capability has narrowed significantly, thanks to a new generation of Bluetooth OBD2 scanners and smartphone apps that cost less than a tank of ...

Your check engine light can come on a host of reasons, ranging from a loose gas cap to a faulty engine component. If you see a light illuminated on your dashboard, you can use an OBD2 scanner to ...

Everyone knows how imperative it is to service their vehicles to make sure they’re running smoothly and efficiently. But even if someone is following the manufacturer-suggested service intervals and ...

We may receive a commission on purchases made from links. The OBD acronym stands for on-board diagnostics, a system built into modern vehicles that monitors the performance of the engine and other ...