You don’t know whether the problem is your ignition, transmission, emissions, electronics, etc. But by using an OBD scanner, you can get to the root of the problem. When your OBD computer detects a ...

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

The Motopower OBD2 Car Code Reader is 33% off at Walmart right now. Shoppers say it's "very easy to use" and offers peace of mind before visiting a mechanic.