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Thread: 2019 Roush Mustang Stage 3

  1. 01-03-2022 #1
    joeydsmith
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    2019 Roush Mustang Stage 3

    Out of the blue I have a situation where the yellow/grey wire from the FPDM won't trigger my fuel pumps anymore (dual pump return style setup). I replaced the FPDM in hopes of curing my problem but that didn't make a difference. I have tapped into the green/purple wire and now KOEO fuel pumps are running but the car won't start. While monitoring pids the pcm is still seeing the fuel pump as off when trying to start the car. Any help would be greatly appreciated.
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  2. 01-08-2022 #2
    LastPlace
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    Can you post your file?
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  3. 01-10-2022 #3
    pettis_adam
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    Did you get this fixed?
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