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Thread: 2013 Cadillac CTS-V 6.2 Ltr How to turn the fuel pump off

  1. 10-13-2021 #1
    lesweaver
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    2013 Cadillac CTS-V 6.2 Ltr How to turn the fuel pump off

    I want to clean my fuel injectors with a cleaning system that provides its own pressure. I need to turn the fuel pump off. I have tried using VCM scanner and commanding the PW to zero with no luck. I have tried using VCM editor and changing the fuel pump PW to zero at idle. The trims go rich but the pump remains on. I don't see an option anywhere to turn the pump off all together. The car does have a FPCM, I have even tried the Tech2 to command the pump off with no luck??


    HELP!!
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  2. 10-13-2021 #2
    blindsquirrel
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    Did you not get the optional software-controlled fuse puller??
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