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Thread: commanded fuel pump duty cycle

  1. #1

    commanded fuel pump duty cycle

    Just logged my first run with v3.0 scanner. The car has been in storage since November. I installed an Aeromotive fuel pump that is capable of supporting 2x the power I make and am running bigger injectors. I logged fuel pump duty cycle and see a max duty cycle at WOT of 48.9%. Is this channel still reading 50% of actual duty cycle? I was running the stock pump at 50% indicated duty cycle which I understand in 2.24 meant 100% duty cycle.

    2007 Mustang GT.

    Thanks
    CSR
    2007 Mustang GT
    305ci big bore (5.0L Cammer block)
    Ported heads
    Lunati cams and springs
    Usual compliment of bolt-ons

  2. #2
    Senior Tuner
    Join Date
    Apr 2005
    Location
    Sugar Land, TX
    Posts
    1,198
    My 2013 GT500 reads 50% but I have two fuel pumps. If you have one then I believe you are reading actual.

  3. #3
    any other thoughts from anyone? I have an email in to support as well.
    2007 Mustang GT
    305ci big bore (5.0L Cammer block)
    Ported heads
    Lunati cams and springs
    Usual compliment of bolt-ons