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  #1  
Old 2nd September 2019
CarlOzzy CarlOzzy is offline
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Sportster/Buell Model: Iron883N
Sportster/Buell Year: 2009
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Sportster/Buell Year #2: 2009
Other Motorcycle Model: T100R Triumph Daytona
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Default ,09 Iron883N idling weird, sputters on accelerating from idle or low revs.

Hi out there from Madrid, Spain, Europe.(usually hot weather)
My ´09 883 has about 50,000 miles done, now with a stock exhaust (the V&H shortshots looked good but even with the db killer, I got tired of the loud sound and having to replace the fibre every too often). S&S air cleaner (Cycle, not Super- it´s a bit smaller) with K&N washable filter. Have the SERF on it but put all the pot values back to Zero when I put the stock pipes back on. Bike always starts fine and easy. Usually sputters (just once) when I accelerate from very low or idle. Runs well otherwise except for idle. Once hot, it idles erratically, usually too fast and often stalls if I come to a stop after going hard (90-100 mph) on it for a while. New plugs, gapped right, cleaned the small hole inside top of EFI throttle body with contact cleaner. Diagnostic codes that reappear are P131,PO132,PO 152. I´ve ordered new O2 sensors but before getting out all the tools and pulling her off the road, I´d love to find a direct solution. I´m convinced this is something that happens to these models and I´d love to hear from anyone who has had this same thing happen to their ´09 or similar model.
If your bike has done this and been well cured please tell me how to do the same... Until now i was happy with the EFI life..now I´m beginning to miss my old Keihin + dynojet carb days.... Love Sporties, this is my 3rd. All useful resolving comments welcome and appreciated.
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  #2  
Old 2nd September 2019
old dog old dog is offline
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Welcome from the U.k. Have you done a search on the
custom search bar lower down the page.It may bring something
up,orsomebody will be along soon to help out
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  #3  
Old 2nd September 2019
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harley506d harley506d is offline
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Welcome from France!

Got a carbi myself, so sorry can't help.
Have a look through the forums covering your year and see if someone else has had the same problems.
Good luck curing it.
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  #4  
Old 2nd September 2019
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Folkie Folkie is offline
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The codes suggest O² sensors (as you're obviously aware), but other things that spring to mind are: Idlе Aіr Cοntrol սnit, intake seals?
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Old 2nd September 2019
Tomcatt Tomcatt is offline
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Quote:
Originally Posted by Folkie View Post
The codes suggest O² sensors (as you're obviously aware), but other things that spring to mind are: Idlе Aіr Cοntrol սnit, intake seals?
Or his bikes' ECU is "confused". That happens. Clear the DTC's, reset the trims, reset the adaptive (may be reset when you reset trims) so you can start clean.

SERT settings will be needed, or at least wanted. His air cleaner change will want EFI tuning. Un-restricting the intake definitely makes a difference even with the stock mufflers. Are there SERT settings for "intake only"?
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Last edited by Tomcatt; 2nd September 2019 at 21:03..
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  #6  
Old 3rd September 2019
CarlOzzy CarlOzzy is offline
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Default RE:09 sporty, idle issues

Thx to all the folks who offered their help. Thx old dog, I tried the custom search bar as you suggested and saw some similar threads. some great tips but no "Jake & Elwood Heavenly light from above" type revelation. When I first joined this forum about 20 years ago...(was away for a while and forgot user and password) Sporties, really were simpler...(not saying better but I liked it more (like life itself ;-) anyhow here now so gotta solve this hassle with the idling and general running. Thx Folkie, the idle air control unit could be veeeeeery interesting (Fingers crossed). Intake seals are fine, tried the gas trick- no reaction so in theory, they´re fine too. BTW, the pic on your post. Nice! is it an old superglide tank? They always looked good on Sporties and the 14 litres (amazingly without looking ugly IMO) were a godsend...Thx Tomcatt, My possibly "Confused ECU" could very well be the problem or part of it. I´ll suss out the connections, the ecu fuse etc...Funny, I always called bike (and car) electrics VOODOO...but now its time to call it SCIENCE and hit the books... Dunno what it means to check the" Trims? I´ll start with the SER(F) and give it a bit of juice from the last pot which is meant to be an accelerator pump type thing (that should cure the junky cough when opening from low revs) and probably start doing some SER(F) tuning again. Inever had the $$$ for a SER(T) besides, I never liked the fact that it marries to the ECU without a divorce option..Not fair, so I´m not there..
Yep, I know they´re great and cost the MoCo a hernia or 6 but its just a principle thing...The sputter on opening throttle from low or idle reminds me of the ol´"Keihin cough" which was a common term here way back in the late 20th/early 21st century. We´d fix that with a dynojet kit and our 883s virtually flew (and flawlessly... or is it "seamleesly" in modernspeak?). Yep, I understand you´re right about the filter affecting things despite running the stock pipes again....
So ...its, 1) I´ll check battery strength, 2) I´ll check/clean the terminals and general electrics, fuses etc. 3)I´ll fiddle with SER(F) which will make it run richer and cooler too...4) I´ll check out the idle air control unit to see if it is the issue, 5) I´ll replace the O2 sensors with the new ones that I ordered last week... If all of this doesn´t bring her back to her beautiful ol´self......I might be in the market for an older (pre-voodoo) model, say a ´97 or even an ´02 model -great calipers, nice blinkers, rubberfree frame and nimble as fark.. I´ll report next week. Thx again to all contributors. It´s the stuff that always made this site special for me..

Last edited by CarlOzzy; 3rd September 2019 at 00:49.. Reason: spelling errors
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  #7  
Old 3rd September 2019
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Here's the Sportsterpedia page on the EFI & Sensors:
http://sportsterpedia.com/doku.php/t...k:evo:engctl03

And this note from the section on Fuses & Relays:
http://sportsterpedia.com/doku.php/techtalk:evo:elec02

Quote:
NOTE: The 2007-2009 model years have a significant history of corrosion and gunk collecting in the fuse/relay tray causing low-grade shorts and erratic electrical operation - This is especially problematic if the bike is left outside or operated in the rain. It's a good idea to check & thoroughly clean this tray at least every year (or 4 to 6 months if parked outside).
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  #8  
Old 5th September 2019
andyb andyb is offline
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Lightbulb

all 3 codes are for the o2 sensor - - 90% certain that will fix it - - - but make sure there is no intake leak & also an exhaust leak - since you changed the exhaust a few times - - excess fresh air in the exhaust from an exh leak & set the code - - but since you have 3 of them - i'm pretty sure you need a new o2 sensor
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  #9  
Old 5th September 2019
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Quote:
Originally Posted by andyb View Post
all 3 codes are for the o2 sensor - - 90% certain that will fix it - - - but make sure there is no intake leak & also an exhaust leak - since you changed the exhaust a few times - - excess fresh air in the exhaust from an exh leak & set the code - - but since you have 3 of them - i'm pretty sure you need a new o2 sensor

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  #10  
Old 11th September 2019
CarlOzzy CarlOzzy is offline
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Thx to all for the info that's useful. Much obliged!!! I haven't had time to pull her off the road, it's the end of our summer and I don't wanna miss any of the good runs that I'd missed since 2016!! One more detail that I discovered last weekend:
If I hit the kill switch and turn the key off for a few seconds, then start as per usual, the high erratic idle goes back to normal.. Then after a while it goes weird again.. Gotta change the O2 sensors, clean all the connections and see how I go on the next run this weekend... Fingers crossed, will post update when I'm updated, Cheers to All who popped in with useful info.
Thx To andyb and IXL2Relax. I had already ordered tha 02 sensors when i posted this query but it looks like they´ll be likely candidates, AFTER the electric tidy up of fuses and connections even the black box ones too. Then if there´s no joy, Ill look at IAC clean it test it, then if no further joy, I´ll try the TPS... A lot of studying voodoo ahead of me... Oh well, gotta move with the times...electrics... ooofff...

Last edited by CarlOzzy; 17th September 2019 at 11:43.. Reason: more details and thanks to unseen posts
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