2005 Ford F-150 cmcv issues

Discussion in '2004 - 2008 Ford F150 Truck Forum' started by Oldboat, Sep 6, 2020.

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  1. Oldboat

    So blowing fuse 32 when turn key . I have found when I disconnect the cmcv it will not blow fuse. Is this I bad cmcv .
     
    Oldboat, Sep 6, 2020
    #1
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  2. FTZ HAIC Staff Member Oregon Chapter Founding Member

    Not necessarily the CMCV itself, but definitely a short somewhere along that circuit, possibly with the CMCV itself. No easy way except getting a multimeter and testing.

    But to double-check I would unplug everything else on the circuit except the CMCV, and see it still blows.
     
    FTZ HAIC, Sep 6, 2020
    #2

  3. Oldboat

     
    Oldboat, Sep 6, 2020
    #3

  4. Oldboat

    Yes have unplugged all save the cmcv for last it is tight getting in there.
     
    Oldboat, Sep 6, 2020
    #4

  5. Oldboat

    So not a mechanic by any means but are u saying if it’s the only one of the 10 or so items on fuse 32 that’s blowing fuse I have found the problem in the cmcv as the shorting issue of the fuse blowing. I’m not afraid to get in there r pull manifold and change it but don’t want to if it’s not the problem. Had this truck since new kids drove to high school and college and I love it . Thx for your help
     
    Oldboat, Sep 6, 2020
    #5

  6. Oldboat

    ok so stared engine with the cmcv disconnected no blowing fuse no codes drove truck for 1/2 hour ran great . I understand the cmcv gives the engine more air for power after 3000 rpm so my question is will it hurt and have any adverse affect If I drive the truck keep it under 3000 rpm till I have time to pull manifold and replace .
     
    Oldboat, Sep 7, 2020
    #6
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