4105 fuel level sensor
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Thread: 4105 fuel level sensor

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    Post 4105 fuel level sensor

    I have a JD 4105, bought used and runs well. However, the fuel level readout bounces all over and I am never sure how much fuel remains. Is this a function of the bouncy ride of a tractor or is there a malfunction of the sensor. Not really sure how it all works. I always try to keep level way above 1/2 full just to be sure.

    thoughts?

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    SulleyBear's Avatar
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    Here is what your fuel gauge looks like......I would suspect it could be a bad wiring connection on the sending unit, or the sending unit itself is defective.

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    Replacement of sending unit?

    Is replacement tricky? I could always use a long stick to check the fuel level, like I did for my Ferguson TO-20 1953 tractor?

    Thanks for the link to the visual.

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    I have a 4720 that bounced around also. Sometimes it worked and other times it said it was empty. All I found wrong with mine was a loose connection on top of the sending unit. Once everything was clean and tight it worked just fine.

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    IndyFarmLife-AC's Avatar
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    Quote Originally Posted by Grass Roots Farmer View Post
    I have a JD 4105, bought used and runs well. However, the fuel level readout bounces all over and I am never sure how much fuel remains. Is this a function of the bouncy ride of a tractor or is there a malfunction of the sensor. Not really sure how it all works. I always try to keep level way above 1/2 full just to be sure.

    thoughts?
    My 4105 isn't erratic like you are talking about (doesn't bounce back and forth) but it isn't accurate. Hasn't been since the day I purchased it. Will read almost empty but I can only put about 5 or 6 gallons in the tank before its full.
    IndyFarmLife - (Adam or Chris)
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    Tractors: JD 4052R, JD 4105, JD 2520 Other Non-Green Machines: Case 580K backhoe, Grasshopper 928D, Grasshopper 721D, Husqvarna 390XP, 450, 455 and 460 Rancher

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    testedone's Avatar
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    I have 4105 also and my gauge as has already been stated isn't erratic.

    only time I know what my fuel level is is when I am on level ground, until I understood it there were many times I was out brush cutting my hills and looked at the gauge and freaked cause I thought i was 1/4 tank, but once off the slope it reads correct
    ~Rick~

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    2016 4105 - FEL, iMatch, Land Pride RCR1272, 5" Taylor Rotary Tiller

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