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Thread: Jeep Wrangler 2.0T GPEC4 tuning

  1. #1
    Tuner in Training
    Join Date
    Dec 2020
    Posts
    25

    Jeep Wrangler 2.0T GPEC4 tuning

    Hello everyone,
    I'm trying to deal with the GPEC4 ECU of my Jeep Wrangler 4XE, which is not as easy as I could expect.
    Looks like boost control is made only through compressor air filling maps, but honnestly I'm struggling to understand the way it works. To me it's a bit like an Ecoboost management, with throttle control for everything.
    Does anyone have any experience on that ECU?
    Any help would be very welcomed
    (Also, Can't figure out a way to avoid catalyst heating procedure on warm starts.. would be interested on that too )
    Thank you !
    Attached Files Attached Files

  2. #2
    Senior Tuner SultanHassanMasTuning's Avatar
    Join Date
    Nov 2009
    Location
    All Around
    Posts
    3,149
    i dyno'd one the other day impressed compared to penstar
    Follow @MASTUNING visit www.mastuned.com
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    Contact/Whatsapp +966555366161

  3. #3
    Potential Tuner
    Join Date
    Nov 2024
    Posts
    2
    hello my bro
    Can you help me how to Unlock GPEC4

  4. #4
    Tuner in Training frantik3's Avatar
    Join Date
    Feb 2021
    Location
    ITALY
    Posts
    11
    news for tune gpec4