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P0505 Diagnostic Trouble Code Discussion for November 2016

Idle Air Control Motor Circuit Malfunction


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Trouble Ticket Help Requests for DTC P0505
Help Request Posted
1996 Nissan Pickup SE 2.4L Poor Idle Quality, MIL Lamp on VIN: 1N6SD16Y2T
P0505: Idle Air Control, Auxiliary Air Control Valve Circuit Malfunction. ... p0171 & p0505 and the idle normally 775 +/- 50 but several times a minute dropping to 550 - 600. The truck runs great in open loop but when it leaves open loop it goes into open loop/drive and the idle starts fluctuating....
November 03, 2016