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Erratic idle

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Old Nov 21, 2015 | 11:10 PM
  #1  
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Default Erratic idle

Several months ago my 06 Deuce (EFI) started having a poor idle condition. It runs fine but when coming to a stop it begins to run rough
and won't stay running unless I twist the throttle just a hair. Once I start moving the bike runs smooth and strong. The next time I come to a stop it may, or may not, idle normally. It may happen 6-7 times in a row and then be fine the rest of the day.

I'm thinking that maybe the IAC just needs a cleaning.

Advice?
 

Last edited by Deucedog; Nov 21, 2015 at 11:52 PM.
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Old Nov 22, 2015 | 07:43 AM
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IAC or the vacuum line on the throttle body may have a split in it or come off all together.
 
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Old Nov 22, 2015 | 09:52 AM
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What is your fuel pressure? The internal fuel pump hose has a history of getting holes in it.
 
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Old Nov 23, 2015 | 08:49 PM
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Originally Posted by Next In Line
What is your fuel pressure? The internal fuel pump hose has a history of getting holes in it.
I had that issue 5 years ago. It's been remedied. Thanx for the tip though.
 
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Old Nov 23, 2015 | 08:52 PM
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Originally Posted by OldEnuf2NoBtr
IAC or the vacuum line on the throttle body may have a split in it or come off all together.
I'm guessing the IAC needs some cleaning. Didn't think of the vacuum line though. Thanx
 
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Old Nov 24, 2015 | 02:41 AM
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Originally Posted by Deucedog
I had that issue 5 years ago. It's been remedied. Thanx for the tip though.
It might has shown its ugly head again after 5 years.
 
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Old Dec 5, 2015 | 08:57 PM
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FYI - 2006 IACS had a lot of problems.
 
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Old Jan 30, 2016 | 06:28 PM
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May be your idle screw is out of adjustment
 
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Old Jan 30, 2016 | 09:01 PM
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Originally Posted by Backdraft161
May be your idle screw is out of adjustment
On an EFI system?
 
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Old Feb 14, 2016 | 09:51 AM
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First things first. Did you pull the codes?
 
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