Turn your smartphone into a professional car diagnostic tool with a $15-30 OBD2 adapter and free apps that read engine codes ...

This limited-time deal likely won’t be available for long, so head over to Amazon today and pick up the Xiauodo OBD2 Scanner ...

We may receive a commission on purchases made from links. It's probably happened to everyone at least once. You're driving along enjoying your favorite tunes when suddenly, your car's "check engine" ...