P0507 OBD II Trouble Code Idle Air Control System RPM Higher Than Expected - DTC Code

Detailed information on troubleshooting and repairing a P0507 DTC trouble code which refers to Idle Air Control (IAC) System RPM Higher Than Expected. Also includes links to relevant forum topics on the code.

Symptoms of P0507 OBD II Trouble Code

  • A vacuum leak
  • Leaking air intake after the throttle body
  • EGR valve leaking vacuum
  • A faulty positive crankcase ventilation (PCV) valve
  • Damaged/failed/dirty throttle body
  • Failed EVAP system
  • Failed IAC (idle air controller) or faulty IAC circuit

Common Causes of P0507 OBD II Trouble Code

  • Nissan Idle Relearn Procedures @ NissanForums.com
  • Mitsubishi Montero P0507 Code Information
  • Chevy Blazer P0506/P0507 DTC Info @ BlazerForum.com