Automotive On Board Diagnostics

Has anyone tried to interface the Ardunio with a car’s OBD II? Where can I find the pinout and codes to view different vehicle output? Thanks in advance.

google obduino. there is a big project developed over at the ecomodder forums (same people who brought you the mpguino)

Some more resources:

Wow. Thanks for the quick response to my query. I really appreciate the leads and I’ll let you know what I am able to build!