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hipdoc hipdoc is offline
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Join Date: Sep 2007
Location: Fresno, CA
Posts: 154
930 idle flucuate

help, my 1979 930 will start fine when cold, idle high initially but then when the idle comes down it will flucuate (oscillate) up and down 500-2000 rpm for 4-5 times before idling steady around 900 rpm. It has an MSD ignition, K2700 turbo, and GHL muffler. What could cause it to do this? Auxcillary valve? hipdoc
Old 02-29-2008, 05:50 PM
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