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Thread: S-Trim FMU Help

  1. #1
    Junior SCH Member
    Join Date
    Dec 2005
    Posts
    10

    S-Trim FMU Help

    When trying to adjust fuel pressure with FMU hooked up pressure will not fall under 58# at idle. When bypassing FMU pressure can be adjusted normally. Is the FMU faulty?

  2. #2
    92stanglx
    Guest
    It sounds like it The FMU shouldn't affect FP unless you are under boost.

  3. #3
    Junior SCH Member
    Join Date
    Dec 2005
    Posts
    10

    FMU Solved

    Actually there was no calibration kit in the FMU. I ordered a new 6to1 kit and that solved the problem. Thanks anyways 92 STANG LX

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