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07-26-2009, 02:04 PM
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#1 (permalink)
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Junior Member
Join Date: Jul 2009
Location: SW Michigan and proud of it!!!
Posts: 3
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Heritage Softtail Idle too high!!
Hey all,,,,,, Nice to meet every one here...... I have a 2002 Heritage Softtail EFI and it idles way too high.... I have heard that they dont oil/cool well at a lower idle.... has anyone here heard this and if so what would be a safe lower idle rpm??? I do know you need something to set the idle on a EFI it's not like the old carbs just turn the screw.......
Thanks for your help,,,,,
Skip
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07-26-2009, 05:01 PM
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#2 (permalink)
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Mentally unstable.
Join Date: Jun 2008
Location: Pennsyltucky
Posts: 6,627
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Quote:
Originally Posted by skipbo00
Hey all,,,,,, Nice to meet every one here...... I have a 2002 Heritage Softtail EFI and it idles way too high.... I have heard that they dont oil/cool well at a lower idle.... has anyone here heard this and if so what would be a safe lower idle rpm??? I do know you need something to set the idle on a EFI it's not like the old carbs just turn the screw.......
Thanks for your help,,,,,
Skip
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Oil/cooling has nothing to do with it. Idle on an EFI should be at 1050-1100 or below that, the charging system fails to preoduce enough electricity to run the ECU, Fuel pump etc.
What's "Way too high?"
__________________
HERD meber #10
DISCLAIMER: Any information, advice or child raising tips I give on this forum should be taken with a grain of salt, 8 hours sleep and at least 6 beers.
Following my instructions will likely lead to death, mental retardation and/or bodily injury, consistant with eating lead-based paint chips, and by doing so, will release me, my family and my dog from any legal action(s) for listening to anything I recommended. 
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07-26-2009, 05:15 PM
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#3 (permalink)
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Junior Member
Join Date: Jul 2009
Location: SW Michigan and proud of it!!!
Posts: 3
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I don't have any way of know exact rpm yet... so I know a guy who has the equipment to read and set the idle rpm..... I don't let it idle except for @ a stop sign or light.... so I would think the battery would carry that for the ecm and pump?????
Thanks
Skip
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07-26-2009, 07:22 PM
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#4 (permalink)
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Mentally unstable.
Join Date: Jun 2008
Location: Pennsyltucky
Posts: 6,627
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Quote:
Originally Posted by skipbo00
I don't have any way of know exact rpm yet... so I know a guy who has the equipment to read and set the idle rpm..... I don't let it idle except for @ a stop sign or light.... so I would think the battery would carry that for the ecm and pump?????
Thanks
Skip
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I don't know what you're asking.  The battery *would* carry it, only after idling for so long, without the proper voltage being supplied to the battery because the idle is too low, the battery runs out of voltage to supply electrical devices.
The newer Stators/Voltage regulators don't put out 100% all the time and bleed off the unneccery voltage like my Evo does, rather, only procudes what the bike needs, based on demand/rpm.
Quote:
Originally Posted by skipbo00
I have a 2002 Heritage Softtail EFI and it idles way too high....
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If you don't have a tach, or truely know what the rpms are, the how do you know they're "too high", or are you just going by sound?
If you have a friend that has the stuff to read and set the idle, then I suggest that, rather then just turning screws. 1050 is the goal. No lower then 950.
__________________
HERD meber #10
DISCLAIMER: Any information, advice or child raising tips I give on this forum should be taken with a grain of salt, 8 hours sleep and at least 6 beers.
Following my instructions will likely lead to death, mental retardation and/or bodily injury, consistant with eating lead-based paint chips, and by doing so, will release me, my family and my dog from any legal action(s) for listening to anything I recommended.
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07-26-2009, 09:08 PM
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#5 (permalink)
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Junior Member
Join Date: Jul 2009
Location: SW Michigan and proud of it!!!
Posts: 3
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First off there are NO screws!!!!!!!!!!!!! EFI!!!!!! and yes I am going by sound and the fact that idleing in second gear is 25MPH is not right..... every one I ride with says it's too high/fast of idle rpm..... I have been a mechanic all my life in one form or another and do understand how a battery works...... all I said was for the 30 seconds that I let it idle @ a stop light shouldn't be a problem....... I was trying to get the rpm range that the idle should be before taking it to have it set correctly...
Skip
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07-27-2009, 07:42 AM
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#6 (permalink)
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senior citizen
Join Date: Jun 2009
Location: Port Washington , WI
Posts: 700
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You may have a faulty IAC , this device controls the idle speed . Take off the air cleaner and look into the throttle body , at the top of the air horn there is a hole , look up into the hole and cycle the ignition you should see the IAC pintle move open , close , open . If it doesn't do that or doesn't do anything then the IAC or IAC circuit is faulty .
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08-13-2009, 10:00 PM
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#7 (permalink)
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Junior Member
Join Date: Aug 2009
Location: Mount ida, AR
Posts: 2
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i have an 06 softail with high idle
what does the 5 point screw not idle it down or what? i tried star and allen wrenchs neither workd is there a special tool from harley or what let me no
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08-13-2009, 10:03 PM
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#8 (permalink)
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Junior Member
Join Date: Aug 2009
Location: Mount ida, AR
Posts: 2
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hello is there anybody out there
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08-14-2009, 12:24 AM
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#9 (permalink)
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Appalachian American
Join Date: Apr 2009
Location: Lexington Ky.
Posts: 3,839
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Quote:
Originally Posted by Dave63
I don't know what you're asking. The battery *would* carry it, only after idling for so long, without the proper voltage being supplied to the battery because the idle is too low, the battery runs out of voltage to supply electrical devices.
The newer Stators/Voltage regulators don't put out 100% all the time and bleed off the unneccery voltage like my Evo does, rather, only procudes what the bike needs, based on demand/rpm.
If you don't have a tach, or truely know what the rpms are, the how do you know they're "too high", or are you just going by sound?
If you have a friend that has the stuff to read and set the idle, then I suggest that, rather then just turning screws. 1050 is the goal. No lower then 950. |
Is this for cold or hot Dave, My Bike wont Idle without a little throtle cold but idles just a tad fast hot. I like the potato potato cold but it will die without a tiny bit throtle |
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