OBD2 Links/Resources

OBD2 Resources

• U.S. Environmental Protection Agency OBD page
• Ford OBD Theory and Operation
• National Automotive Service Task Force
• VPW information
• Automotive Software Link Directory - Diagnostics

OBD2 Groups and Forums

• Yahoo Groups
  • opendiag, (Mar 2000)
  • EEC-Tuner (Apr 2000)
  • VAG-COM , (May 2000)
  • OBD2, (Jul 2000)
  • jyturbo , (Nov 1998)
  • EFI High Tech Performance (Feb 2000)
  • Auto Repair (Nov 1998)
  • Car Diagnose , (Jun 2003)
  • OBD2List (Sep 2000)
  • Modern Auto Repair (Feb 2001)
  • Auto Repair Advice (Feb 2004)
  • Auto ECU Diagnostics (Aug 2004)
• HPTuners Horsepower Tuners Bulletin Board
• Speedworx Tech Forums

Theory and Physics

• TCC theory
• Car Math Formula's
• Gasoline FAQ Technical gasoline information
• Torque vs Horsepower
• Expertech Technical information and theory

OBD2 Programming

• Programmers Generic OBD2 Reference
• ELM320 (PWM) datasheet
• ELM322 (VPW) datasheet
• ELM323 (ISO) datasheet

OBD2 References

• OBD2 protocols by manf, which OBD2 protocol does your vehicle have?
• OBD Diagnostic Codes