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  #11  
Old 16th September 2019
Bikeaholic Bikeaholic is offline
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Hi,
Yes all the codes show up o2 sensors.
But as was mentioned earlier the IAC may be the culprit or part of the problem. It allows more air in, or less air and will do all sorts of High Rev problems if not operating correctly.
It was on mine and did the similar things but i had no codes. If the problem continues after working on the 02 sensors i would seriously check the IAC.
I pulled mine out and the spring etc just fell out of the mechanism and impossible to replace back in the unit. Only two bolts to remove so it an easy job. I purchased a new one and problem was fixed. I hope it this easy for you.
Ride safe.
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  #12  
Old 16th September 2019
shanneba shanneba is online now
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I had a similar issue with my 2013. No codes at all though.

My throttle return cable had developed enough slack that the cable cover could pull out of the throttle body support and get stuck on top of it leaving the throttle open a little.

I put the throttle cable back into the support on the throttle body and adjusted both throttle cables. Have not had it happen again.

I would also suggest maybe using some throttle body cleaner especially if you still vent the crankcase to the intake.
That could free up the IAC movement and clean any build up where the throttle butterfly closes against the throttle body.
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  #13  
Old 16th September 2019
CarlOzzy CarlOzzy is offline
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Join Date: Jan 2018
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Sportster/Buell Model: Iron883N
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Default RE:09 sporty, idle issues

Quote:
Originally Posted by Bikeaholic View Post
Hi,
Yes all the codes show up o2 sensors.
But as was mentioned earlier the IAC may be the culprit or part of the problem. It allows more air in, or less air and will do all sorts of High Rev problems if not operating correctly.
It was on mine and did the similar things but i had no codes. If the problem continues after working on the 02 sensors i would seriously check the IAC.
I pulled mine out and the spring etc just fell out of the mechanism and impossible to replace back in the unit. Only two bolts to remove so it an easy job. I purchased a new one and problem was fixed. I hope it this easy for you.
Ride safe.
Yep. Thx a lot bikeaholic. I still havent had a chance to change the O2 sensors but I will let yáll know how it goes. If the cleaned fuses, connections and replaced O2 sensors dont ´resolve the issue, I will then go for the IAC (idle air control) sensor. Fingers crossed!!! Thx Shanneba, I did clean the throttle body and even though I don´t run the vent pipe through the air cleaner, it was still quite grotty..

Last edited by CarlOzzy; 17th September 2019 at 11:35.. Reason: omotted info.
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  #14  
Old 17th September 2019
tussuck tussuck is offline
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Default

Geee... START with the IAC as its a truckload cheaper than a new set of O2 Sensors.

Also note that the TPS resistor gets worn in the idle and low speed area so remove it and squirt it clean with a Contact Cleaner or IPA solution and see if that helps as well.
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  #15  
Old 1 Week Ago
CarlOzzy CarlOzzy is offline
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Just wanted to update the fact that i finally got back home and able to finally play my my garage toy. Fitted the 02 sensors. Also fitted a set of black screamin eagle slip ons, fiddled with the sert, cleaned the wiring and fuse box with a brass bristled-type toothbrush and contact cleaner. Bike runs beautifully. still gotta fiddle a bit more with the sert but I´m quite happy at the improvement. Thx to all those who helped with useful info and opinions.

Last edited by CarlOzzy; 1 Week Ago at 23:44.. Reason: spelling error
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  #16  
Old 1 Week Ago
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IXL2Relax IXL2Relax is offline
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Glad to hear it's running right....

Ride On...




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  #17  
Old 1 Week Ago
Bikeaholic Bikeaholic is offline
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That is good news. Thanks for getting back to us with the outcome.
Ride Safe.
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