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Author Topic: Intermittent Fast Idle  (Read 864 times)

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bubtrauma

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Intermittent Fast Idle
« on: May 22, 2012, 09:29:00 AM »
Can't seem to duplicate it but I have an intermittent fast idle up around 2000 rpm. Oh ya and generally after thr bike has warmed up.

2009 Classic

Where can I find this Bulliten M1057 Service bulletin


PC-V with auto tune. Any Ideas

Bub
« Last Edit: May 22, 2012, 09:48:04 AM by bubtrauma »
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bend it, chop it, cut it, bang it, weld it and paint it to match........

Doc 1

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Re: Intermittent Fast Idle
« Reply #1 on: May 23, 2012, 02:26:59 PM »
Quote from: bubtrauma link=topic=74208.msg 1020647#msg 1020647 date=1337693340
Can't seem to duplicate it but I have an intermittent fast idle up around 2000 rpm. Oh ya and generally after the bike has warmed up.

2009 Classic

Where can I find this Bulletin M1057 Service bulletin


PC-V with auto tune. Any Ideas

Bub
Remove the PCV and see if the problem still exist
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Doc's Performance Tuning

www.docsperformancetuning.com

BillH

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Re: Intermittent Fast Idle
« Reply #2 on: May 23, 2012, 10:16:06 PM »
My 2008 FLTRI was doing this on my last 800 mile round trip a few weeks ago.  Might start out fine in the mornings, and a some point during the day, I would stop for gas and it would be idling at 1800-2000rpm when I pulled to a stop.  Would do the same thing when restarted, and would come and go all day.  When restarted the next morning, same fast idle.  2nd gas stop, and it was normal again.  I could roll the throttle off manually and it would slow to normal, but as soon as I let go of the grip it would pull back to 1800-2000 again.  Started it the next morning after I got home, and it was normal again!  This is with a TTS tuner, and I never have the throttle open when I shut it down, so the idle "memory" issue isn't in play...
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2008 FLTRI - 103, S&S 570 cams, SE cam plate, Ness Big Sucker, Woods lifters, GMR adjustable pushrods, Lozano Brothers heads, HPI 54mm throttle body mod, Supertrapp 2:1, SE compensator, BDL +1 clutch TTS tuner w/GMR Dyno, Ricor fork valves, Progressive 440's, Wild 1 515's bars, HID's, TrueTrack, J&M 71/2" speakers, Clearview +2, lots of other small stuff.

bubtrauma

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Re: Intermittent Fast Idle
« Reply #3 on: May 23, 2012, 10:20:13 PM »
I hear ya. Hope we get a solution...


Bub
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bubtrauma

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Re: Intermittent Fast Idle
« Reply #4 on: May 23, 2012, 10:31:10 PM »
got this from HTT site.

quote: The turning of the ign off/on only works on a bike that the idle stays high. A factory reflash was released to solve that issue years ago. The easiest way to stop that from happening is to NOT switch the bike off with the "Run" switch. Take your right hand OFF the throttle and use it to switch the ign key Off.

This problem comes from people switching the bike off with there hand resting on the throttle and the ECM learns that it see the throttle slightly twisted so it learns that new position. The dealer reflash changes the learn to 8 seconds after the bike was switched off in the hopes that the ride has remove his/her hand from the throttle by then.

I have a habit of using the kill switch

Also found this

https://www.box.com/shared/umepb5mxvt
« Last Edit: May 23, 2012, 10:55:21 PM by bubtrauma »
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smkymtnboy

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Re: Intermittent Fast Idle
« Reply #5 on: May 23, 2012, 10:36:44 PM »
there is a fix or procedure on this fast idle in a thread on this site somewhere. promise!
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bubtrauma

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Re: Intermittent Fast Idle
« Reply #6 on: May 23, 2012, 10:57:11 PM »
thanx smokey
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smkymtnboy

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Re: Intermittent Fast Idle
« Reply #7 on: May 23, 2012, 11:40:48 PM »
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