The Family Handyman on MSN

How to Use a Diagnostic Car Code Reader

Imagine quickly diagnosing why your car's check engine light is on. A scan tool, also known as a trouble code reader, can ...
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 ...
When the check engine light comes on in a vehicle, it’s indicating that there is some issue with the car that should be checked out. It could be something minor, such as the gas cap not being screwed ...