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Old 07-27-2008, 09:20 AM   #1
maroman88
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Join Date: Aug 2004
Location: West Milford
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94 GPSE 3100 idle problem

my moms GP has a high idle(1500rpm) that comes and goes. when it comes it stays for a few days, throws a high idle code AND the ignition wont turn all the way to the OFF position..? then magically all will be fine...

i cleaned out the IAC but that didnt help. it doesnt appear to have a minimum idle screw. and the computer is reading a throttle angle of 1% whens it idleing high
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