How Do You Use an OBD2 Scanner? A Step-by-Step Guide
Learn how to use an OBD2 scanner: find the port, read trouble codes, freeze frame and live data, and know when clearing a code is a bad idea before a smog test.
Car Diagnostic Guides
Basics that make every trouble code easier to handle: reading codes, what the warning lights mean, and how to describe a problem to a technician.
Why Is My Check Engine Light Flashing?
A flashing check engine light usually means a severe misfire that can overheat the catalytic converter. Here is what it means, what to do now and what to check.