Discover what an OBD2 scanner is and how to use it to diagnose and fix car problems before they escalate into major repairs.

When the dreaded malfunction indicator light turns on, it’s not the end of the world. Here’s how to cope with an MIL!

The vehicle identification number (VIN) is a 17-character code that tracks every mainstream car built for the U.S. market ...

We've all been there—that pesky check engine light pops up on your dashboard. Instantly, thoughts of expensive mechanic bills, weeks of it being repaired in the garage, and inconveniences galore flash ...

In the last Diagnostics episode, we outlined the vital information provided by compression and leakdown testing and illustrated how to use these most important tools. These tests reveal the internal ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. OBD Auto Doctor is a must-have Windows Phone app for the home mechanics and auto enthusiasts.