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P0505 Diagnostic Trouble Code Discussion for September 2009

Idle Air Control Motor Circuit Malfunction

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Trouble Ticket Help Requests for DTC P0505
Help Request Posted
1998 Honda Accord LX 2.3L Surge, OIL SMOKE VIN: 1HGCG564XW
P0505: Idle Speed Control System. it has a very unstable idle, up and down. if you hold the accelerator at 2500 rpms the engine surges. also it starts oil smoking real bad out the exhaust.is there anyway the variable timing solenoid can do this? any ideas? thanks larry.
September 02, 2009
1996 Mitsubishi Montero LS 3.0L MIL Lamp on VIN: JA4MR41HXT
P0505: Idle Speed Control System Malfunction. ... will intermitently set a code p0505 (iac),the idle is slightly high at all times (around 1000 rpm, in park/neutral) the factory diagnostic info. isnt a whole lot of help, I checked for power to iac motor and the wiring from iac to the ECM, checked for vacu...
September 16, 2009