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Thread: 2004.5 FMVB During the 1-2 shift trucks shuts off while throttle is still applied.

  1. #1

    2004.5 FMVB During the 1-2 shift trucks shuts off while throttle is still applied.

    During the 1-2 shift the High-speed governor goes to 0mm3. The FCA DC % goes to 1,600. Once the Uncompensated MM3 goes to 0 the truck turns back on. You can see the throttle position stays the same as this happens. Anyone ever seen this before?Peyton 1-2 power cut.hpl
    Last edited by TwistedShafts; 09-17-2024 at 08:08 PM.

  2. #2
    Potential Tuner
    Join Date
    Mar 2023
    Posts
    6
    you are hitting a high speed governor. on my fmvb i set my high speed governor above my max rpm that i set the tune at.

  3. #3
    post up your tune if want someone to help
    2010 F-350 03 5.9/848ecm, built 5R110, 30% over sticks, 10mm pump, 64mm Stealth Turbo
    2008 F-350 03 5.9
    Fumminstuning.com

  4. #4
    Tuner in Training
    Join Date
    Jun 2023
    Location
    chambersburg pa
    Posts
    35
    lol no one will help ..

  5. #5
    You happen to have a base file for your 2004.5 with the auto still? I am going fmvb but my ecu fried itself and I need a base file for the auto to push into my replacement ecu.