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Thread: Faulty fuel gauge

  1. #1
    Member 2414.ginger's Avatar
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    Faulty fuel gauge

    I have a Deutz-Fahr Agro plus 100,The fuel gauge wavers from empty to half full, even when you have just filled it to the brim, this is a big enough problem in daylight, but in the twilight when the low fuel light keeps winking at you it can be a little annoying.
    Anyone know if this is easy to fix or do I just have to live with it?
    Form the back you can see some wires on top of the tank and under the cab floor, but my arms are only standard length and will not reach far enough.
    Thanks in advance for any useful comments.

  2. #2
    Senior Member wr.'s Avatar
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    Re: Faulty fuel gauge

    Isn't there an inspection plate in the cab floor under the rubber mat? Sounds like sender trouble and shouldn't be too difficult to right. Mind you though, I know nothing about Deutz except that they are green.
    Don't itch for something if you're not prepared to scratch for it.

  3. #3
    Member 2414.ginger's Avatar
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    Re: Faulty fuel gauge

    Thanks wr
    Had the rubber mat up, no inspection plate there to remove sadly.
    Anyone else any thoughts?

  4. #4
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    Re: Faulty fuel gauge

    You'll have to drop front of tank down to access sender unit, tank pivots at back so just use jack to lower front down.
    Ond lle bu'r arad' ar y ffridd Yn rhywgo'r gwanwyn pr o'r pridd

  5. #5
    Member 2414.ginger's Avatar
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    Re: Faulty fuel gauge

    Thanks for that, what comes next, will I need a new sender or can this be played with to fix it?

  6. #6
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    Re: Faulty fuel gauge

    Earth the sender wire to see if gauge goes to top, if so wiring etc should be ok and sender is at fault
    Ond lle bu'r arad' ar y ffridd Yn rhywgo'r gwanwyn pr o'r pridd

  7. #7
    Senior Member Fifer's Avatar
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    Re: Faulty fuel gauge

    I have an Agrofarm and it is similar to yours although maybe reads slightly higher. Full tank reads 3/4 and then drops to 1/2 in the next hour and very slow to move thereafter. I was told it was just the shape of the tank ie very narrow at the top and wide at the bottom and the calibration did not take this into account!!

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