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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 ...

Using an OBD-II scanner: What it can and can't tell you

An OBD-II scan tool is an incredibly useful automotive diagnostic device, but it's not magic. Here's what it can and can't do ...
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 ...
SlashGear

Can The Check Engine Light Come On For Transmission Issues?

In order for our cars to carry us to and from our various destinations reliably, all the parts must work together smoothly. The fuel and air intake systems provide the ingredients necessary to power ...