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Buell Forum » Big, Bad & Dirty (Buell XB12X Ulysses Adventure Board) » BB&D Archives » Archive through September 20, 2010 » High idle « Previous Next »

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Pdento
Posted on Sunday, September 05, 2010 - 12:40 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

iI put a new k&n air filter on uly last night and now i'm getting a high idle around 2000 rpm
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Ratbuell
Posted on Sunday, September 05, 2010 - 09:31 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Have you ridden it?

The ECM needs to learn the change in airflow.

Get it up to operating temp and the idle should come down. Go for a ride, spend at least five minutes at a steady 3000-3500 rpm cruise, and the ECM will go into its learning cycle.
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Tootal
Posted on Sunday, September 05, 2010 - 11:28 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

+1
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Pdento
Posted on Monday, September 06, 2010 - 01:43 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I took it out for a ride this after noon and got it good and warmed up . it showed a little improvement.but it still was running at around 1800 rpm . maybe my throttle position sensor is going bad
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Ratbuell
Posted on Monday, September 06, 2010 - 10:15 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Did you ride it like I mentioned above?

spend at least five minutes at a steady 3000-3500 rpm cruise, and the ECM will go into its learning cycle.

Don't just go out and hammer on it. Let it LEARN the new airflow.
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Snowscum
Posted on Monday, September 06, 2010 - 10:25 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Leaking intake seals will make it idle high.
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Natexlh1000
Posted on Monday, September 06, 2010 - 07:55 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I agree with Ratbuell here.
It may self-correct.

Unless of course, you killed a sensor somehow while dropping in a simple filter : )
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Pdento
Posted on Monday, September 06, 2010 - 09:18 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

took it out this evening and hit interstate rode it for about ten minutes or so . made no difference . checked the seals on intake nothing. it just wants to run on high idle
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Nobuell
Posted on Monday, September 06, 2010 - 10:40 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Did you have the high idle before you installed the K&N filter? If not, it has to be related to the filter change.
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Pdento
Posted on Monday, September 06, 2010 - 11:25 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

no i actully had a bad idle . it was backfireing through carb
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Pdento
Posted on Monday, September 06, 2010 - 11:31 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

maybe i should put my old filter back in and see what happens
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Ratbuell
Posted on Tuesday, September 07, 2010 - 12:31 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

well...if you had a high idle BEFORE you swapped filters, swapping back won't do a bit of good.

Try a TPS reset:

1. Turn ignition to "On". (DO NOT START ENGINE)
2. Allow ignition initialization process to finish.
3. Actuate throttle back and forth eight times between full/wide open throttle (WOT) and closed throttle (CLT - meaning idle position) pausing at each extreme for approximately one second. Specifically and in agonizing detail...

1. Turn ignition switch/key to "Run" position
2. Allow ignition system initialization to complete (a couple seconds or so?)
3. Actuate throttle as follows:

WOT-hold for ~ 1 second
CLT - hold for ~ 1 second
WOT-hold for ~ 1 second
CLT - hold for ~ 1 second
WOT-hold for ~ 1 second
CLT - hold for ~ 1 second
WOT-hold for ~ 1 second
CLT

RECMTPS is then Complete.
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Pdento
Posted on Tuesday, September 07, 2010 - 02:14 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

fluxuating idle between 1000-1200 now. need to go take it for a ride and see what it does . but it is starting to rain now so maybe tommorw. will let you know what happens thanks
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Pdento
Posted on Wednesday, September 08, 2010 - 11:05 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Took it out for a ride tonight and got it up to good operating temp and the idle jumped up to 2000 rpm at every stop light I hit
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Ray_r
Posted on Wednesday, September 15, 2010 - 11:52 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I don't mean to hijack....but...

Ratbuell - the manual says 3 open/close cycles for the TPS reset, and that's what I've been using. Is the 4th one you list "just to make sure"? Or have I been doing it wrong?
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Ratbuell
Posted on Thursday, September 16, 2010 - 01:06 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Three should work fine.

I couldn't find it in a manual online, my bike is an '06 (so I have an idle adjust screw)...and my quote above is from elsewhere on badweb.

Pdento - when's the last time you adjusted your throttle cables? And lubed 'em? How much slop is in the throttle grip?
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Pdento
Posted on Friday, September 17, 2010 - 11:30 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

i recently adjusted them . and have very little slop in them now. but i'm still getting high idle when it gets up to temp.
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Pdento
Posted on Friday, September 17, 2010 - 11:36 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

reset throttle position sensor . it idles great when it is cold . no problems until warm.
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Ratbuell
Posted on Saturday, September 18, 2010 - 12:49 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Do the reset HOT, see if that fixes it.
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Pdento
Posted on Saturday, September 18, 2010 - 07:42 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

i tried that then it does just the oppiste .runs good when hot and hardley runs at all when cold .it will bareley idle when cold
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Snowscum
Posted on Saturday, September 18, 2010 - 07:49 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Mine did the same thing. Intake seals!
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Ratbuell
Posted on Sunday, September 19, 2010 - 02:44 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Set it when it's hot.

Get it to start and idle - and RIDE it so it re-learns - a couple times and it will clear up.

Me, I'd rather have to fiddle with a cold bike than have one act up when warm (during riding conditions).
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