The OBD2 port on all modern vehicles can double as a power source. As a result, many owners opt to tap into this often-ignored port to power devices like a Dash Cam, powered rear view mirrors, radar ...

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 ...