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P0505 Diagnostic Trouble Code Discussion for December 2007

Idle Air Control Motor Circuit Malfunction

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Trouble Ticket Help Requests for DTC P0505
Help Request Posted
2002 Honda Civic Si 2.0L Surge, MIL Lamp on VIN: SHHEP335X2
P0505: Idle Speed Control System. Surges idling almost all the time between 1000-2000 rpm. When it doesn't surge, only for short periods, idles around 1500-1600 rpm. Car sounds like it has a vacuum leak. Checked all vacuum hoses that I could see, by pinching off and using propane. No leaks fou...
December 05, 2007
2000 Mitsubishi Eclipse GS 2.4L MIL Lamp on VIN: 4A3AC44G6Y
P0505: idle control problem. i need help with this mitsu. guys. it's interesting.
December 14, 2007
1998 BMW 740iL 4.4L MIL Lamp on VIN: WBAGJ8326W
P0505: idel air control valve/functunal test. customer pick up vehicle running fine return with mil on code po505 idle air control valve failed functional test idlecontrol valve will raise rpm when ac is turned on captured freezeframe data vehicle speed 0 load at4.3 temp 226f has any one seen a problem wi...
December 27, 2007
1998 Acura Integra LS 1.8L Poor Idle Quality VIN: JH4DB7650W
P0505: Idle Speed Control System. First things first...Happy New Year everyone. The problem I'm having is the idle surging when hot. It doesnt happen all the time, but when it's not happening the idle is high(1200-1400 rpms). This problem happened last year and I replaced the IAC motor and the...
December 31, 2007