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Thread: New to EFI Live, help with updating 2000 to 2002 os

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  1. #1
    Junior Member
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    Dec 2013
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    Default New to EFI Live, help with updating 2000 to 2002 os

    I am new to efi live but not HP tuners. My brother and I have both. I read through all the forums concerning the upgrade and when I upgraded my os last night, the reduced power light was on and it would barely idle. I havent figured out how to change engine segments and I have no clue how to use .cax files because my goal is to eventually get lean cruise enabled because I want to try to hit 25-30 on the highway.
    Andrew Clark 00 Yukon XL stock 5.3 4x4.tun
    2002 GMC Yukon Truck Automatic L59 (Custom OS for Andrew Clarks 00 Yukon).tun

    Edit: forgot to add I had a few codes. One was TAC module communication error, which my Yukon is cable throttle. And the other had to do with a fuel sensor error.
    Last edited by windydrew; January 1st, 2014 at 06:26 AM.

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