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Thread: Surging when at low RPMs

  1. #1

    Surging when at low RPMs

    I'm trying to get this tune figured out, it seems to surge when at low RPMs going down the road. I feel like i'm slowly getting this thing figured out. It had a bad vacuum leak that I finally found and it had a bad O2 sensor which I replaced today. any help getting this thing closer to being finished is greatly appreciated. I was able to get my wideband to work on 1 drive and since then I haven't been able to get it to show any readings even though I didn't change anything, still trying to figure that part out.

    2002 Trans Am
    LS1
    LS6 intake
    80lb injectors
    GT45 turbo (13 psi boost)
    2 bar MAP
    Attached Files Attached Files

  2. #2
    Tuner
    Join Date
    Dec 2018
    Location
    Washington State
    Posts
    182
    you should go through and tune your lockup areas, really no need to lock up in 3rd gear and lock up 4th at 50 and above. I haven't reviewed much more of your tune.