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Thread: 05 gt p0191 error code

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  1. #1
    Monera3v
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    05 gt p0191 error code

    Hey guy's

    Been posting on many forum in regards to my issue here
    Before I take it into ford.
    Issue is p0191, p1237 and the pump is constantly running with the key on (no engine start) but yes it turn off once key is off ,
    as the chart below shows i'm seeing 75psi at the fuel rail, and pump is at 0.75 duty (150%?)

    can anyone look at this data log and tell me if the pump seem to be bad , i see negative values at the pump, but the tables (pcm and fpdm) is giving positive voltage
    Before i take it into ford just wanted some of y'all professional advise!

    Thanks!

    Last edited by Monera3v; 05-24-2014 at 11:36 AM.

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