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P0505 Diagnostic Trouble Code Discussion for September 2011

Idle Air Control Motor Circuit Malfunction

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Trouble Ticket Help Requests for DTC P0505
Help Request Posted
1999 Toyota Camry LE 2.2L MIL Lamp on VIN: 4TTBG22K9X
P0505: Idle Control System Malfunction. Hi folks. Thanks in advance. have a P0505 that is a hard code but get this... check engine light works, but is not illuminated and this is a hard code. replaced idle speed control valve, ecm and have checked for continuity at wiring. what gives? suggestions ap...
September 06, 2011
2002 Ford Mustang 3.8L Poor Idle Quality, Stall VIN: 1FAFP40482
P0505: Idle air control/ koer only. ... loop and all values seem to be wrong. When vehicle goes into closed loop will idle fine and values return to normal except stft 1 & 2 are way up at 33%. Getting a koer code p0505. Went through flow chart and determined ...
September 14, 2011