Help w/ fail code P0505 Idle Sytem Control Malfunction - Mercedes-Benz Forum

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post #1 of 1 (permalink) Old 07-31-2007, 03:04 PM Thread Starter
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Date registered: Jul 2007
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Help w/ fail code P0505 Idle Sytem Control Malfunction

Does anyone know exactly what may be attributed to this diagnostic fail code?
msmetts is offline  
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