On-Board Diagnostics (OBD)
Please feel free to e-mail us with your questions about OBD. An EPA representative will respond to your inquiry in a prompt and timely manner.
In addition, please feel free to contact the following EPA representative with questions about OBD:
U.S. Environmental Protection Agency
2000 Traverwood Drive
Ann Arbor, MI 48105
Phone: 734 214-4288