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P0505 Diagnostic Trouble Code Discussion for May 2005

Idle Air Control Motor Circuit Malfunction

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Trouble Ticket Help Requests for DTC P0505
Help Request Posted
1997 Geo Metro 1.3L Cuts out, MIL Lamp on VIN: 2C1MR52XV6
P0505: Idle Speed Control System. Vehical will not go over 1750 rpm when warm, wont go past 35 mph, acts like it has a rev limitor.Injector pulse width wont go past 3.1 ms when it acts up. I can see the injector pattern stop spraying fuel. Vehical runs fine after sitting over night, has to be ...
May 06, 2005
1996 Dodge B3500 5.9L Poor Idle Quality, MIL Lamp on VIN: 2B5WB35Z5T
P0505: Idle Air Control Motor Circuit Malfunction. ... start. two weeks later van would not start. p0505 (iac circuit short) has new iac motor. tests lead me to a computer, replaced and has same problem. i can start and run the van holding the gas pedal. scan tool will not operate the iac. also, temperature re...
May 17, 2005