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Ford: '91 Tracer, coolant sensors, no fan

  1. #1
    Marty
    Guest

    '91 Tracer, coolant sensors, no fan

    Fan doesn't seem to work while driving, but will come on, both high
    and low speed, when the computer is put in self-test mode. Is the
    sensor bad or whatelse? There are 3 sensors right together: one for
    the dash gauge, one for the engine coolant, and the other i don't
    know. Any ideas. Something for the trans maybe. Thx.

  2. #2
    Childfree
    Guest

    Re: '91 Tracer, coolant sensors, no fan

    > There are 3 sensors right together: one for 

    I think the correct front to back order for the 3 coolant temperature
    sensors is

    1. Computer
    2. Dash Gauge
    3. Fan

    The one for the dash gauge is the smaller one wire one. The other two
    are identical looking, however the wiring harness plugs are made so
    that you can't plug them into the wrong one. You need to check the
    one for your fan.

    However, the first thing I'd do is check fan and computer ones for
    dirty contacts.

  3. #3
    MARTY
    Guest

    Re: '91 Tracer, coolant sensors, no fan

    Why is there a sensor for the computer and fan? Would you please explain how
    each do their job? Am baffled why there is 2. Thx.

    "Childfree Scott" <com> wrote in message
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  4. #4
    Marty
    Guest

    Re: '91 Tracer, coolant sensors, no fan

    Can someone tell me how to test the sensors, if possible? Haynes book
    i have only tells how to test sensor for dash gauge. Thx.
     


 

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