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Engine surging??

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Old May 18, 2011 | 12:48 AM
  #11  
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imbthree
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As for being normal and trying not to run in those ranges.... lol, not possible. Don't think the cops would like me bangin through gears to get to a smooth spot and cruising around town in 4th gear at 45mph!
 
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Old May 18, 2011 | 12:51 AM
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I pulled the plugs when I first got the bike and they were white. Not much of a plug guru but from what I've read, they looked lean. That's why I got the PC-V. I just stumbled on a thread where the TPS was the problem maker. Gonna check that tomorrow as well. Thanks for the ideas so far!
 
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Old May 18, 2011 | 01:28 AM
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Originally Posted by imbthree
That's why I got the PC-V.
You did fit the O2 eliminators?
 
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Old May 18, 2011 | 02:11 AM
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yeah....I followed the harness' coming from each 02 sensor, unplugged it, and plugged the eliminators on the end of the main harness'. One was down by the front motor mount/isolator and the other was under the seat. Right?
 
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Old May 18, 2011 | 04:44 AM
  #15  
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my '06 surges in 1st gear and always has, even with a dyno tune and #25 injectors. its something i've learned to live with. its not like i do a lot or riding around at a constant speed in 1st gear anyway, so it doesn't bother me much. the 06 (and possibly 07) were somewhat notorious for this...
 
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Old May 18, 2011 | 06:29 AM
  #16  
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Don't take this the wrong way because I'm not trying to be a smart a$$ but, are you sure the problem isn't with you throttle hand? If you're turning mid to high RPMs in a low gear it wouldn't take much movement of your wrist to make these torquey motors buck a little and appear to be surging. If it surges in the first couple of gears should it not surge through all of them? Good luck to you.
 
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Old May 18, 2011 | 08:00 AM
  #17  
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I'll take any suggestions i can to fix this Maclugie... I thought the same thing at first but 3 other people ( all own harleys ) rode it without me saying anything about surging, and sure enough each one, all at seperate times, came back from the ride and told me my bike kinda surges. So i take it that its not just me. I've also been on other harleys and none of the others i've ridden have done this.
 
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Old May 18, 2011 | 08:03 AM
  #18  
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Just came back from the garage and took the filter off. There was a little bit of oil inside the filter and a little residue on the throttle body plate. not much tho. I check the TPS connection, its tight. Didnt see any cracked lines or frayed wires. going to get some seafoam in a minute to see if that might do the trick. I'll keep u posted on my results.
 
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Old May 18, 2011 | 08:32 AM
  #19  
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Good luck IMBTHREE. I hope you get it figured out soon. When I had my PCV, AC, and slipons installed I had the dealer dyno tune it. I'm thinking the next step in your trouble shooting process would be a dyno tune. You're bike is fairly new so I'm guessing it shouldn't be anything serious.
 
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Old May 18, 2011 | 08:33 AM
  #20  
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+1 on lean. My bike is not EFI but did this when it had a lean condition
 
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