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Digital Coolant Gauge Sensor Part Number

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    #16
    This is why I'm thinking open circuit.

    Only two things are infinite, the universe and human stupidity, and I'm not sure about the former. -- Albert Einstein
    rides: 93 Crown Vic LX (The Red Velvet Cake), 2000 Crown Vic base model (Sandy), 2003 Expedition (the vacation beast)

    Originally posted by gadget73
    ... and it should all work like magic and unicorns and stuff.

    Originally posted by dmccaig
    Overhead, some poor bastards are flying in airplanes.

    Comment

      #17
      Something tells me this isn't going to get fixed. Someone else swapped out the PCM, several months ago, so I am wondering if they "did something" while doing so?
      What I Own: 1993 Mercury Grand Marquis GS
      What I Help Maintain: 1996 CV / 1988 CV / 1988 Tempo

      Comment

        #18
        If they disturbed the harness under the master... that could be it.

        Only two things are infinite, the universe and human stupidity, and I'm not sure about the former. -- Albert Einstein
        rides: 93 Crown Vic LX (The Red Velvet Cake), 2000 Crown Vic base model (Sandy), 2003 Expedition (the vacation beast)

        Originally posted by gadget73
        ... and it should all work like magic and unicorns and stuff.

        Originally posted by dmccaig
        Overhead, some poor bastards are flying in airplanes.

        Comment

          #19
          Originally posted by sly View Post
          If they disturbed the harness under the master... that could be it.
          Or perhaps just a bad sensor? Wondering if I should change both (assuming they are still available) and see what happens. Just hate to swap out a possible OEM parts that might still be good.
          Last edited by friskyfrankie; 04-16-2025, 02:06 PM.
          What I Own: 1993 Mercury Grand Marquis GS
          What I Help Maintain: 1996 CV / 1988 CV / 1988 Tempo

          Comment

            #20
            The large connector may just need to be disconnected and have the female connectors pinched a little to allow better connection and check the male connectors to make sure they are not being pushed out.
            Taking a multimeter to the driver side temp sensor to see that it's changing between cold and hot temps would also be a good test.

            Only two things are infinite, the universe and human stupidity, and I'm not sure about the former. -- Albert Einstein
            rides: 93 Crown Vic LX (The Red Velvet Cake), 2000 Crown Vic base model (Sandy), 2003 Expedition (the vacation beast)

            Originally posted by gadget73
            ... and it should all work like magic and unicorns and stuff.

            Originally posted by dmccaig
            Overhead, some poor bastards are flying in airplanes.

            Comment

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