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P0505 Diagnostic Trouble Code Discussion for January 2005

Idle Air Control Motor Circuit Malfunction

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Trouble Ticket Help Requests for DTC P0505
Help Request Posted
2000 Infiniti G20 2.0L Poor Idle Quality, MIL Lamp on VIN: JNKCP11ATY
P0505: Idle Air Control, Auxiliary Air Control Valve. Hi every one thanks for your help Check eng lamp is very intermitant I will check system find nothing and 2 weeks later it will return with code 505 I have cheched vacume leaks found none checked the power steering valve it opens and alows vacume to folw under...
January 06, 2005
1996 Honda Civic EX 1.6L Surge VIN: 2HGEJ643XT
P0505: Idle Speed Control System. car came in with mil light on, checked all the obviuos, air leaks ect customer says the car will randomly surge up and down while engine is hot and has been dricen for over 1/2 hour anybody seen anything like this? car starts and runs good from cold. I have ch...
January 20, 2005
2000 Nissan Maxima GLE 3.0L No Start, Poor Idle Quality, MIL Lamp on VIN: JN1CA31D7Y
P0505: Idle Air Control, Auxiliary Air Control Valve Circuit Malfunction. Hi, I have a Maxima that was brought to my shop with the complaint of not idling when it was cold. The Mil light came on the way to the shop. We scanned the computer with generic tester & retreived a PO505, Idle Air Circuit. we tested Iac for power & ...
January 28, 2005