Gadget Review on MSN

The $30 fix most drivers don't know for a check engine light

OBD Auto Doctor app reads car diagnostic codes for $15 total cost versus $150+ dealer visits, turning check engine light ...

How OBD-II changed car repair for better or worse

Once upon a time, you could diagnose the culprit of your Mazda MX-5 Miata's check engine light with a paperclip. We now use OBD-II technology for that.