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P0505 Diagnostic Trouble Code Discussion for August 2006

Idle Air Control Motor Circuit Malfunction

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Trouble Ticket Help Requests for DTC P0505
Help Request Posted
1995 Mercury Grand Marquis LS 4.6L Poor Idle Quality, Stall VIN: 2MELM75W2S
P0505: idle air control problem. Hi Ford Tecs, the complaint on this car was stalling several times in morning and running fine most other times. idle speed low on cold start. Looked thigs over, ordered and installed new idle air control motor and installed. Not much better, IAC is in such a ...
August 15, 2006
1999 Dodge Ram 3500 Van 5.9L Poor Idle Quality, Surge, Stall, MIL Lamp on VIN: 2B7KB31Z4X
P0505: Idle Air Control Motor Circuit Malfunction. ... light. Found P0443, P0500, P0505, P0720. Replaced listed parts, test drove, everything looked good. Van came back 2 days later with check engine light on and engine intermitantly stumbling and surging at idle. Code P0443...
August 17, 2006