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Toyota
Corolla
Trouble Codes
P Codes (Powertrain)
P0500 - P0599
P0505
2004 Toyota Corolla Idle control system
2004 TOYOTA COROLLA
56,000 MILES • 4 CYL • 2WD • AUTOMATIC
WEWELLSJR
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1 POST
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P0505 appeared when I had a diagnostic done on the car Idle Control System Malfunction what should I do?
Jun 12, 2009 at 11:00 PM
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MMPRINCE4000
CERTIFIED EXPERT
8,548 POSTS
It is an idle speed error, the idle speed is not within the parameters specified by PCM.
It is generally the IAC (Idle Air Control) valve malfunction.
You can try removing and cleaning or replacing, or if you do not feel you can do this, take to a trusted garage.
Jun 13, 2009 at 8:08 AM