Modern technology has made diagnosing vehicular issues much easier than ever before. Using an OBD2 (On-Board Diagnostics II) scanner is a relatively simple process that can provide crucial information ...

Diagnosing automotive problems used to be much more challenging. A mechanic had to use all of their skills to pinpoint mechanical or electrical issues. Nowadays, you can diagnose many problems ...

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 ...

If your check engine light sparks anxiety, learning to use an OBD2 scanner can turn that stress into clarity. These devices read trouble codes, live data, and freeze frame snapshots to help you ...

An OBD2 scanner can be your best friend when that dreaded check engine light comes on. From reading trouble codes to showing live vehicle data, it empowers you to understand and address issues before ...

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 ...

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 ...

You hear a new, disturbing noise coming from your engine, open the hood, look around, and find nothing. Now what? Before you reach for a conveniently-placed torque wrench to try the ol’ “love tap,” ...

This article was updated in November 2025 with new information. You know you’ve earned your DIY stripes when you can stay calm the moment something goes wrong. And with cars, that moment usually ...

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 ...