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P0505 Diagnostic Trouble Code Discussion for December 2008

Idle Air Control Motor Circuit Malfunction

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Trouble Ticket Help Requests for DTC P0505
Help Request Posted
1998 Toyota Camry CE 3.0L Poor Idle Quality VIN: JT2BF22K6W
P0505: Idle Control System Malfunction. The idle is high on this vehicle.I think I have a bad "Idle/Throttle speed control unit", so before I order one, I would just like some feed back on this. Thank you
December 03, 2008
2001 Infiniti I30 3.0L Poor Idle Quality, Stall, MIL Lamp on VIN: JNKCA31A31
P0505: Idle Air Control, Auxiliary Air Control Valve. ... down accelerator keep from stalling --throwing fault code for p0505-tested and replaced IACV --still problem exists--checked wiring to ecu-found all ok--found ecu smelling like burnt electrical compenent--replaced ecu and performed idle learn and had key r...
December 05, 2008
2003 Honda Odyssey EX 3.5L Poor Idle Quality, Surge VIN: 5FNRL18633
P0505: Idle Speed Control System. ... an intermittently surging idle for several months. By intermittent I mean that sometimes it goes for several trips with a perfectly normal idle - at other times the idle does a fairly rapid surge from 800 rpm to about 1300 rpm. It will usually start surgin...
December 09, 2008
2000 Lincoln LS 3.9L Poor Idle Quality VIN: 1LNHM87A3Y
P0505: Cannot control idle speed. When the engine is cold the idle surges up and down for 20 seconds then levels off at a low speed. When it is warm the idle is to low and vehicle stalls sometimes. Iac comanded is 53% it is supposed to be 27%to36%. If you run a KOER test the PO505 code is in t...
December 30, 2008