How can i solve this dtc po507 idle air control system rpm higher than expected

2005 INFINITI FX35
145,435 MILES
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OOBIE
  • MEMBER
  • 1 POST
Hello Bob, am an auto mechanic. i got this DTC(PO507,Idle Air Control System RPM Higher than expected) from an Infinity FX 35 am working on. It's a hard nut for me, i need your advice on how to solve this problem. Thanks
Jun 13, 2012 at 8:28 PM
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RASMATAZ
  • ✓ASE Certified Mechanic
  • 75,992 POSTS
  • ASE Certified Mechanic
Clean out the IACV and also look for a vacuum leak, check IACV wiring back to computer and computer itself
Jun 13, 2012 at 8:46 PM
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