2.0L LSJ Performance Tech 205hp Supercharged SS tuner version. 200 lb-ft of torque.

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Old Sep 1, 2010 | 09:51 PM
  #26  
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From: Florida
o ok, its all good man..


heres another problem im having. When i first start the car my idle jumps up 1800-2000rpm. After it warms up it settles down to normal idle, but when i go for a drive every time i shift the rpm's shoot up by like 500 and stay there until i let my foot off of the clutch peddle and continue driving. Now when i get to a stop the rpm's will hang just for a second or 2 then settle back down. A buddy on the hpt forum says since i have the LS4 TB that i need to raise my ETC Area Scalar to 4500. I did so and the car did not like that at all. It just up normal then after about 10-15 seconds the idke jumps up and down and my band sweeps back and forth. But at the normal 2950 it's good besides the idle jumping. Any clue?
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Old Sep 1, 2010 | 10:16 PM
  #27  
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From: Vine Grove Kentucky
it is easy, go to zzp and they have the setting you need to put in to hp tuners, look up the ls4 throttle body and there it should be
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Old Sep 1, 2010 | 10:18 PM
  #28  
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oh great! you know the funny thing is when i ordered my parts from them i saw that, guess i just forgot about it lol.
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Old Sep 1, 2010 | 10:46 PM
  #29  
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4500 or a higher scalar is needed. It's jumping all around because you've been tuning with the stock (wrong) value and it doesn't know any better. Set it to a proper value and retune MAF and VE if you want to.
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Old Sep 1, 2010 | 10:54 PM
  #30  
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ahhh yeah, makes sense lol.. well the laptop still has a few minutes to fully charge then it's back on the road for some more logging. I'll try and put zzp's number for ETC and see what happens.
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Old Sep 2, 2010 | 05:07 AM
  #31  
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i say scale it with the zzp scaler, tune and go lol.
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Old Sep 2, 2010 | 08:16 AM
  #32  
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yeah thats what im planning on doing. i was gonna go for another log last night but i got too tired lol
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Old Sep 2, 2010 | 11:02 AM
  #33  
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its cool, it jsut the logs you sent to me your ltft and stft are 50s and 60, only time ive seen this before was when the log was corrupt.
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Old Sep 2, 2010 | 06:41 PM
  #34  
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yeah, well i made new histos for the stft and ltft and they have been awesome! i've gotten them any where from +5 to about -23. As i make adjustments the numbers get closer to 0 each time, very slightly though. So its gonna take some time, but at least i have numbers to work with now lol
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