Using An OBD-II Scanner: What It Can And Can't Tell You

An OBD-II scanner can help you read check engine light codes and diagnose various car problems, but it can't fix the issue ...
How-To Geek on MSN

This $20 device told me exactly what was wrong with my car

A p0440 error code can mean several different things, ranging from a loose gas tank cap to a major emissions leak, a bad ...

How To Clear Cummins Fault Codes (With And Without A Scanner)

The Check Engine light may indicate a serious issue with your Cummins diesel engine. Here's how to check and clear the fault codes triggering that light.
Hot Rod

What Is an OBD2 Scanner and How Does It Work?

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 ...