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12-07-2006, 05:12 PM
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#1 | |
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AF Newbie
Join Date: Nov 2006
Location: sebring , Florida
Posts: 4
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idle too high
My 1994 olds cutlass supreme idles high at all times. In park it sits at about 1300 rpm . any ideas why???? Or how to fix this!!!
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12-07-2006, 10:39 PM
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#2 | |
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out saving the world
 
Join Date: Jul 2005
Location: Yourtown, Indiana
Posts: 10,707
Thanks: 8
Thanked 18 Times in 18 Posts
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Re: idle too high
Probly your IAC.
Heres a link that explains how to test it. IAC testing/replacement Also sometimes a good cleaning of the IAC and the port that it goes into with good TB cleaner. Try not to push the end of the IAC because it will mess up the setting, which the link explains too. hope that helps, and Welcome to AF.
__________________
1999 Grand Am SS 3.4 OHV 
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12-07-2006, 11:08 PM
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#3 | |
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AF Regular
Join Date: Aug 2006
Location: St.Catherines
Posts: 376
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Re: idle too high
Are you experiancing any other drivability issues, such as stalling when coming to a stop? Or a combination where you idle high in park but idle kinda low and rough while stopped in idle (with engine at operating temp)??
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12-08-2006, 07:15 AM
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#4 | |
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out saving the world
Join Date: Jul 2005
Location: Yourtown, Indiana
Posts: 10,707
Thanks: 8
Thanked 18 Times in 18 Posts
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Re: idle too high
Also a large vacum leak on the intake can make the idle higher than norm.
__________________
1999 Grand Am SS 3.4 OHV
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