Thread: Idle Control Valve on 1991 300E
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Old 06-04-2009, 02:45 PM
lkchris lkchris is offline
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Join Date: Jun 1999
Location: Albuquerque, NM USA
Posts: 1,947
Purpose of "idle control valve" is to provide extra air during cold starts.

Think it never functions once motor is warm.
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Kent Christensen
Albuquerque
'07 GL320CDI, '10 CL550. '01 Porsche Boxster
Two BMW motorcycles
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