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Car knocking and running lean

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Old Dec 3, 2009 | 09:31 AM
  #11  
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Originally Posted by JustinC,Dec 3 2009, 02:20 PM
you are using a 3rd party wideband correct...can you throw up a datalog?
Not at this time...Justin you remember my gremlins with the Kpro.

But since I'm not going into boost, it should halfass work. I'll try to grab some tonight
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Old Dec 3, 2009 | 09:32 AM
  #12  
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yeah, I just want to look at the sensors and see what is going on


you need to switch to the rsx wideband..forget all that narrowband headache
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Old Dec 3, 2009 | 09:44 AM
  #13  
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Well in this case, my o2 isn't the problem. I turned it off and it did the same thing.
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Old Dec 3, 2009 | 11:24 AM
  #14  
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Originally Posted by spectacle,Dec 3 2009, 12:44 PM
Well in this case, my o2 isn't the problem. I turned it off and it did the same thing.
what if you turn closed loop off completely
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Old Dec 3, 2009 | 11:25 AM
  #15  
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Dude, I did!
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Old Dec 3, 2009 | 12:08 PM
  #16  
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and just sitting there it leans out?
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Old Dec 3, 2009 | 01:14 PM
  #17  
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Sometimes. Not enough seat time to say for sure
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Old Dec 3, 2009 | 02:10 PM
  #18  
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No idea if this will help or not, but I never had good results with the KPro and closed loop. It would always start drifting off in one direction or the other (usually lean) for no good reason. After a day or two it'd be undriveable. I brought the issue up several months ago and Hondata made some changes to the KPro software in response, which did improve things. It still didn't work that great for me though so I just disabled closed loop completely and its been very solid for several months. Even with the weather changing from 90's to 40's my AFRs have been great.

Maybe leave closed loop off, reload your tune and test it a bit.
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Old Dec 3, 2009 | 02:21 PM
  #19  
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I definitely think a datalog of this problem would be the best way for us to help you out.

Is it only one part of the map that is acting different than before? Or is it the whole thing?
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Old Dec 3, 2009 | 05:12 PM
  #20  
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take the car over to LHT, they will help you out...I know Paul is willing to look at the car. Its almost impossible to diagnose a problem over the internet.
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