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Thread: Short Term Fuel Trim

  1. 03-12-2023 #1
    LS3MonteSS
    LS3MonteSS is offline
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    Short Term Fuel Trim

    I have an LS3 swapped Monte Carlo that I'm running through lingenfelter with gen 3 pcm. I have my wideband on my other vehicle at a friends house that i will pick up sometime this week. Engine start and idles fine but when i go to drive the power isn't there and if try to give a lot of gas out the hole it bogs. Can someone look at the short term fuel in the log and tell me what they see since i can't see the actual afr without my wideband.



    23-03-11 13-48-35_F.hpl
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  2. 03-13-2023 #2
    bk2life
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    the computer trys pulling 37% fuel from it when it goes into closed loop at idle....

    what have you done to the ECM ? or is it running stock LS3 info?
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