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  1. 06-08-2021, 01:44 PM #1
    Svan270
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    Water pressure gauge stopped working

    17 sho 250 9n a fx 20. I have a digital and analog gauge. Both stopped working at the same time. They both read zero at all times. I have replaced water pump and it works fine. Anyone have this issue? I'm thinking possibly a thermostat but not sure? Dealer is 3 hours away and I will take it in of I cant fix this myself. Thanks
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  2. yam911
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    #2 06-08-2021, 02:22 PM
    You have both the optional Command Link water pressure sensor installed (plumbed to a Command Link gauge or NMEA 2000 network) and the optional analog water pressure fitting installed on the thermostat cover (connected to a water pressure gauge on the dash) correct? A belt and suspenders approach.

    Since they get pressure information from different places on the block I am not understanding how it can be a thermostat. But...
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  3. yam911
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    #3 06-08-2021, 02:29 PM
    Is the motor running OK? That is, not over heating?

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  4. Svan270
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    #4 06-08-2021, 03:06 PM
    Everything seems fine. Water out of tale tale engine temp is fine. Not over heating. Just no water pressure on either gauge. I looked behind the console and nema feeds digital gauge and then have a pigtail over to what I thought were analogue gauges. Be I'm guessing it's the same info just 2 different places. Everything else works as it should on the gauges. Maybe it's just a bad sensor on the motor.
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  5. Svan270
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    #5 06-08-2021, 03:09 PM
    Yes I have the sensor installed on my motor with the plug connected. There is also a T with a water line connected to the bottom. I disconnected the hose and water was inside the hose.
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  6. 21XDC
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    #6 06-08-2021, 03:24 PM
    Clogged popit valve?

    Marks Props 317-398-9294, 1850 East 225 South, Shelbyville, Indiana 46176 propellerman59@gmail.com http://www.marksprops.com/index.html
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  7. yam911
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    #7 06-08-2021, 04:20 PM
    I would remove the sensor and the sensor attachment fitting and check for clogs. Not unheard of.
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  8. yam911
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    #8 06-08-2021, 04:20 PM
    Quote Originally Posted by 21XDC View Post
    Clogged popit valve?
    Not used on that model.
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  9. Svan270
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    #9 06-09-2021, 05:54 AM
    Copy. thanks guys for the input.
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