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Thread: ve vs. ve rtt big difference

  1. #1
    Tuner in Training
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    Apr 2013
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    ve vs. ve rtt big difference

    Has anyone else had this problem? I read the tune out of my truck and made a sd start tune. Flashed it and it was a little rich 12-13. drove it around then paste special add afr error. Flashed it and it was lean 17+ every where. i reverted back and paste special multiply % afr error, flashed it and it was still lean. So i flashed it back to the readsdstart file. started it up and did some rtt and noticed it looked like ve map was higher. So i tuned a few cells to 14.7 than copy paste my rtt ve map to my ve map and flashed it. now its rich 9's. I cant figure out what is wrong with it. It is a 4l80 segment swap file. Another thing i noticed is i have the 4l80 option in every file now since i got the segment swap file. Is that normal?
    Attached Files Attached Files

  2. #2
    Tuner in Training
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    Apr 2013
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    maybe this will help anyone trying to under stand.
    ve tables.jpg

  3. #3
    HP Tuners Support
    (foff667)
    Bill@HPTuners's Avatar
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    hard to tell, looks like you are using a 2.5 bar map sensor but then trying to use the 2 bar map pid so that value in itself is going to be off so you likely aren't even putting the values into the correct cells in the ve table.

  4. #4
    Tuner in Training
    Join Date
    Apr 2013
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    tried it again today with the laptop i last used to tune it and everything is good. what would cause my newer laptop to read the tune bad?