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Prescision 880cc and scaled to 713 is this not correct?

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Old Aug 20, 2009 | 07:57 PM
  #1  
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From: FL
Prescision 880cc and scaled to 713 is this not correct?

The car pulls good and has less than 3 counts of knock across the rev band but I am getting a lean bank 1 code and all of the searching I have done points to this being the problem and I should mention that I am a newb to the self tune so please take it easy on me if I missed something that is common knowledge

Also if change the scaling then my a/f tune would be off as well correct?

I would post the tune which I have saved but I am unsure how to do that

Any help would be greatly apprecieated

Last edited by xspsi4; Aug 20, 2009 at 07:59 PM.
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Old Aug 20, 2009 | 08:13 PM
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From: Mass
o boy. i will let the guru's help you but i would refrain from driving your car lean in the mean time. Did you alter your latency or just change the scaling?

refer to this

https://www.evolutionm.net/forums/ec...injectors.html

Last edited by EatSleepBoost; Aug 20, 2009 at 08:20 PM.
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Old Aug 20, 2009 | 11:43 PM
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From: Hayward
Your fuel trims will give you those answers.
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Old Aug 21, 2009 | 05:04 AM
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I know it is not right but it seems liveable other than the cel, I drove it 1,100 miles round trip to the shootout and it was fine with the cel off for 400 miles at a time but once I get back in town it throws the lean code so I am unsure as to why.
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Old Aug 21, 2009 | 05:21 AM
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From: Virginia Beach, Virginia
your afr might be "ok" at idle/cruise but your fuel trims might be pegged to get you there, your injectors settings are wrong.
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Old Aug 21, 2009 | 06:37 AM
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From: hershey pa/williamsport
did you change the latencies table at all? if that is still stock try adding .2 to all of them, that got my 880's dialed pretty close. I had trims in the 3 % range
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Old Aug 21, 2009 | 08:02 AM
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From: Willmar MN
Yeah, you probably have the latencies set wrong.
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Old Aug 21, 2009 | 10:23 AM
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From: FL
Ok so the 713 scale is ok then? I will report back on the latencies.

Thanks for the help!
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