Nightrider O2 IED's - Field Test
#2021
07-03-2008 | 11:18 AM
Road Master
Joined: Mar 2007
Posts: 1,177
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RE: Nightrider O2 IEDs
see http://www.dragstuff.com/techarticle...-pictures.html \\;about 2/3 of the way down is the "perfect plug" shot (4 plugs on a redish table) \\; Most people would say they look about new, no real color, \\;in that shot.
 \\;
AW
 \\;
AW
#2022
07-03-2008 | 02:38 PM
Advanced
Joined: Jan 2008
Posts: 99
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From: Brookville, Ohio
RE: Nightrider O2 IEDs
OK, there has been a lot of tech stuff lately, with is beyond me. \\; What I want to know, in plan simple English, are the XIED's OK to run, safe for the engine. \\; I'm also throwing the lean codes, but I'm not mechanical enough to mess with, trying to find a exhaust leak.
#2023
07-03-2008 | 02:42 PM
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Road Master
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From: Arizona
RE: Nightrider O2 IEDs
ORIGINAL: HDDOC
Heres a pic of my plugs after 600 miles with the XIEDs, to lean for me moving on to a differant fueler PC usb111
[IMG]local://upfiles/40283/ECBDD1D625FA46A1A43F00B4E2A0D808.jpg[/IMG]
Heres a pic of my plugs after 600 miles with the XIEDs, to lean for me moving on to a differant fueler PC usb111
[IMG]local://upfiles/40283/ECBDD1D625FA46A1A43F00B4E2A0D808.jpg[/IMG]
#2024
07-03-2008 | 03:26 PM
Road Captain
Joined: Feb 2008
Posts: 571
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From: Colorado
RE: Nightrider O2 IEDs
We are getting far off the thread subject with the sparkplug issue.
elpoman, the IED's and XiED's are not masking any problem unless you consider the lean burn a problem. They DO take care of that. The codes are HISTORIC and do not affect engine running conditions. Any running condition that is OUTSIDE of the pre-programmed parameters of the ECU will give a CHECK ENGINE LIGHT accordingly.
Im going on vacation to MAui for the next 2 weeks. SO I will be ofline until my return. Have fun, ride safe.
elpoman, the IED's and XiED's are not masking any problem unless you consider the lean burn a problem. They DO take care of that. The codes are HISTORIC and do not affect engine running conditions. Any running condition that is OUTSIDE of the pre-programmed parameters of the ECU will give a CHECK ENGINE LIGHT accordingly.
Im going on vacation to MAui for the next 2 weeks. SO I will be ofline until my return. Have fun, ride safe.
#2025
07-03-2008 | 03:33 PM
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Road Master
Joined: Feb 2007
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From: Arizona
RE: Nightrider O2 IEDs
Be safe and enjoy Andy. \\; Maui is awesome. \\; Get a rental car and drive all over the island, especially to the top of the crater and the Highway to Hana. \\; Except follow the highway all the way around, don't stop and turn around as the rental map suggests. \\; That is where the adventure begins
.
 \\;
Enjoy...
. \\;
Enjoy...
#2026
07-03-2008 | 04:43 PM
Tourer
Joined: Feb 2008
Posts: 420
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From: Twin Cities
RE: Nightrider O2 IEDs
Just a follow up to my earlier post. \\;I installed a AN Big Sucker and PCIII today and no popping with the fuelmoto map. \\; Only had to set the closed throttle position. \\; My experience with the ied and xied is that they are ok, but just not what i was looking for. \\; I'll be selling both sets.
#2027
07-03-2008 | 06:41 PM
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RE: Nightrider O2 IEDs
Here's Steve Mullen's response to my earlier post and others who reported same codes:
The 131/151 codes are so common on stock bikes that HD makes note in its
Service Manuals to "clear and ignore" them.
But the codes can also occur because of the voltage shift the IED's create.
Because the voltage is dropped as it goes through the IED's, it is possible
that the ECM low voltage theshold for the O2 sensors is triggered,
especially when fresh air gets into the exhaust. This can happen because of
exhaust leaks, overly free flowing mufflers or simply air getting back into
the mufflers. When this happens, the ECM sees the temporary drop in AFR as a
voltage drop, even though the IED's are actually keeping the mixture
considerably richer.
The way the HD ECM is programmed is a strong contributing factor to this.
Data logging of ECM data seems to indicate that the O2 sensor signals are
being polled much to frequently and not being smoothed. Hence the ECM reads
the changes in the AFR due to fluctuations in the spent fuel going past the
O2 sensor and fresh air being pulled past due to reversion or air leaks. It
is most likely that the true "root cause" of the 131/151 errors is actually
this rapid polling of the O2 sensor signal.
But you can also use the 131/151 historic codes as an indication that the
IED's are working as expected. It's the voltage shift thing. So the 131/151
historic codes might be annoying, but are certainly not dangerous.
Service Manuals to "clear and ignore" them.
But the codes can also occur because of the voltage shift the IED's create.
Because the voltage is dropped as it goes through the IED's, it is possible
that the ECM low voltage theshold for the O2 sensors is triggered,
especially when fresh air gets into the exhaust. This can happen because of
exhaust leaks, overly free flowing mufflers or simply air getting back into
the mufflers. When this happens, the ECM sees the temporary drop in AFR as a
voltage drop, even though the IED's are actually keeping the mixture
considerably richer.
The way the HD ECM is programmed is a strong contributing factor to this.
Data logging of ECM data seems to indicate that the O2 sensor signals are
being polled much to frequently and not being smoothed. Hence the ECM reads
the changes in the AFR due to fluctuations in the spent fuel going past the
O2 sensor and fresh air being pulled past due to reversion or air leaks. It
is most likely that the true "root cause" of the 131/151 errors is actually
this rapid polling of the O2 sensor signal.
But you can also use the 131/151 historic codes as an indication that the
IED's are working as expected. It's the voltage shift thing. So the 131/151
historic codes might be annoying, but are certainly not dangerous.
#2028
07-03-2008 | 07:17 PM
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From: Arizona
RE: Nightrider O2 IEDs
ORIGINAL: MNrider
Just a follow up to my earlier post. \\;\\\\\\;I installed a AN Big Sucker and PCIII today and no popping with the fuelmoto map. \\;\\\\\\; Only had to set the closed throttle position. \\;\\\\\\; My experience with the ied and xied is that they are ok, but just not what i was looking for. \\;\\\\\\; I'll be selling both sets.
Just a follow up to my earlier post. \\;\\\\\\;I installed a AN Big Sucker and PCIII today and no popping with the fuelmoto map. \\;\\\\\\; Only had to set the closed throttle position. \\;\\\\\\; My experience with the ied and xied is that they are ok, but just not what i was looking for. \\;\\\\\\; I'll be selling both sets.
The IED and XIED are not for everyone. \\; If your looking to squeeze every bit of Horsepower out of your ride the pair won't accomplish your goal. \\; They are for the average rider who just wants a good running Bike, that runs cooler and has a little better throttle response and pick up.
 \\;
Good Luck to you in your quest for more power.
#2029
07-03-2008 | 10:34 PM
Outstanding HDF Member
Joined: Jul 2007
Posts: 2,609
Likes: 1
From: Indy area
RE: Nightrider O2 IEDs
At the risk of being reiteratingly redundantly saying it again and again... If you are happy with the stock breathing apparatus, then the IEDs should be your first choice for an overall cheap upgrade. If you do not mind the completely stock breathing apparatus and the occasional error being thrown behind the scenes, and do not venture into open-loop operation very often, then the XIEDs might be a good choice.
If you fit neither of those definitions (i.e. want aftermarket exhaust systems and/or mufflers and no errors thrown) then look elsewhere. It is as simple as that.
If you fit neither of those definitions (i.e. want aftermarket exhaust systems and/or mufflers and no errors thrown) then look elsewhere. It is as simple as that.
#2030
07-03-2008 | 11:07 PM
Seasoned HDF Member
Joined: Feb 2008
Posts: 22,592
Likes: 10,447
RE: Nightrider O2 IEDs
 \\;Installed Xieds on a 07 Rg runing fine with 16,000 miles on it stock.
I have installed and unistalled them a few times to test them.
Bike does run stronger with them on not a lot but a bit better throttle responce.
Roll ons from 60 in sixth gear are stronger.
Bike sound deeper with them on.
With them installed a few mile to gallon drop ? very depending on speed alot.
p0131 and P0151 codes are thrown it seems the come from startup are are meaning less.
Bike runs a very small amount cooler when idling but after a bit temps will come back up.
runnning down the road normaly highway speeds bikes is a little cooler.
The difference in temp is NOT something you can feel it has to be measured.
in some cases about 20 degrees at best.
I like them may not keep them on for normal riding just not needed and fuel loss adds up when you ride as much as I do.
I will keep them and do like the way the bike runs with them on it.
 \\; They did not show me the large heat reductions I have seen posted.
They did what nightride said they would do.
Nightriders claims and what I have seen posted in many threads are not even close to the same thing.
 \\; If you do not mind a slight drop in fuel milage and are not going to mod your bike out a lot they just might be what you are looking for.
 \\;
Will not go into plug color meaning less i99% of the time in todays engine and with fuel additives.
I have installed and unistalled them a few times to test them.
Bike does run stronger with them on not a lot but a bit better throttle responce.
Roll ons from 60 in sixth gear are stronger.
Bike sound deeper with them on.
With them installed a few mile to gallon drop ? very depending on speed alot.
p0131 and P0151 codes are thrown it seems the come from startup are are meaning less.
Bike runs a very small amount cooler when idling but after a bit temps will come back up.
runnning down the road normaly highway speeds bikes is a little cooler.
The difference in temp is NOT something you can feel it has to be measured.
in some cases about 20 degrees at best.
I like them may not keep them on for normal riding just not needed and fuel loss adds up when you ride as much as I do.
I will keep them and do like the way the bike runs with them on it.
 \\; They did not show me the large heat reductions I have seen posted.
They did what nightride said they would do.
Nightriders claims and what I have seen posted in many threads are not even close to the same thing.
 \\; If you do not mind a slight drop in fuel milage and are not going to mod your bike out a lot they just might be what you are looking for.
 \\;
Will not go into plug color meaning less i99% of the time in todays engine and with fuel additives.