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P0505 Diagnostic Trouble Code Discussion for March 2010

Idle Air Control Motor Circuit Malfunction

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Trouble Ticket Help Requests for DTC P0505
Help Request Posted
1996 Nissan Maxima GLE 3.0L No Start, Stall, MIL Lamp on VIN: JN1CA2102T
P0505: Idle Air Control, Auxiliary Air Control Valve Circuit Malfunction. ... 3-4 minutes to get started, has cdes p0505 stored sometimes but not always. have replaced the iac valve twice 1 used 1 new. have pulled apart and cleaned throttle body and all plates butterflys etc. pulled iac valve off with key on / off iac valve makes no...
March 03, 2010
1998 Acura TL 2.5L Surge, high idle VIN: JH4UA2650W
P0505: Idle Speed Control System. car had surging idle from base idle being to high However I cannot get it all the way down with the idle bypass screw. Took screw out removed carbon and blocked idle air control valve off.With screw bottom out lowest it will go is 850 it needs to get to 750 ( ...
March 10, 2010
2001 BMW 330Ci 3.0L No Start VIN: WBABS53421
P0505: . This car was towed to us ,It cranks but will not fire,Has no spark or fuel pressure or injection pauls.I cheked for codeS, found po604 ,po505 .I CHEKED RELEYS AND POWER TO CO MPUTER ALL IS OK.iT SEEMS THAT THIS CAR NEEDS A DME . mY QUESTION IS, DO I HAVE TO SE...
March 12, 2010
2000 Nissan Maxima SE 3.0L Poor Idle Quality, MIL Lamp on VIN: JN1CA31A01
P0505: Idle Air Control, Auxiliary Air Control Valve Circuit Malfunction. ... with me for awhile now. originally it came in with a no idle condition, start and stall. I did some testing and research and found it very common that the iac and ecms go out together on these. I ordered a new iac, and had the ecm rebuilt. Car started and ...
March 15, 2010