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Ford Mustang: 5.0 not running too good... More Info

  1. #1
    John
    Guest

    Re: 5.0 not running too good... More Info

    OK, so I started up my car today, without the AC on, and it did the 2500rpm
    rev thing!

    It started fine, idled for a few seconds, then revved to 2500, held for
    about 4 seconds, then dropped back to 1000.

    So, if it's doing this with or without the AC on, where should I look for
    the problem?

    Thanks,
    John
    93 GT



  2. #2
    Backyard
    Guest

    Re: 5.0 not running too good... More Info

    John opined in news:67r%a.732$southeast.rr.com:
     

    Sorry...
    someone should have responded to that by now

    You probably have a sensor out of range, have the codes read out.
    If no codes, look at the TPS

    Also check all harness ground point, particularly at the PCM pas side kick
    panel. All sorts of weird effects when this is loose or corroded.

  3. #3
    ~phiz
    Guest

    Re: 5.0 not running too good... More Info

    Sounds to me like the ol' bad BAP sensor engine surge thing.

    Just changed one of them barometric dohickies on a five-oh.
    Cured the problem lickity split.
    Expensive little bugger, though. About $120 from FoMoCo.
    Cleaning the ten pin connectors dosen't hurt none, either.

    ~phiz

    GROSS POLLUTERS
    SoCal




    On Fri, 22 Aug 2003 13:26:22 -0000, Backyard Mechanic
    <com> wrote:
     


  4. #4
    Backyard
    Guest

    Re: 5.0 not running too good... More Info

    ~phiz opined in news:west.earthlink.net:
     

    Good idea about the BAP...but that's onna those things that's either good or
    bad... not really a wear item.

    And there's thousands of those in the junkyard looking for new homes.


 

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