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Wayne
Wayne, Journeyman
Category: Heavy Equipment
Satisfied Customers: 5811
Experience:  34 years experiance as engine rebuild and problems.Thermo-King repair and trouble shooting.
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A fuel gauge problem with my Kubota L2350 tractor...sending unit

Customer Question

I have a fuel gauge problem with my Kubota L2350 tractor.. The gauge quit reading and stayed on empty all the time. I replaced the sending unit and the gauge. Now it reads accurately when the tractor is not moving , but when it is moving it flucuates wildly. I have proper voltage to the sending unit according to the shop manual (4-6 volts) at idle. Could this be a ground issue?

Thanks for your help

JimW
Submitted: 3 years ago.
Category: Heavy Equipment
Expert:  Wayne replied 3 years ago.

wayne :

Hi I'm Wayne, I will help you with this,

Expert:  Wayne replied 3 years ago.
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Expert:  Wayne replied 3 years ago.

Hi Jim,

OK lets start here from beginning.......
I f you have sending unit out of tank, and move arm, the gauge will read the amount.....correct.

You do have a proper voltage ,
But one thing that concerns me is the ground wire at sender clean and tight ....

Then the next thing is a loose connection in harness, a plug vibrating as you drive

Let me know
Wayne, Journeyman
Category: Heavy Equipment
Satisfied Customers: 5811
Experience: 34 years experiance as engine rebuild and problems.Thermo-King repair and trouble shooting.
Wayne and other Heavy Equipment Specialists are ready to help you
Customer: replied 3 years ago.

The tractor is out at my ranch and i wont be going out there for a couple of weeks. Now that i think about it i believe that the loose ground connection might be the problem. i will work on it next time out there and let you know.

 

Thanks for the help Wayne

Customer: replied 3 years ago.
Wayne
i was out an my ranch this weekend and i found that the ground in the wiring harness was loose. i reconnected it and it works like a champ,

thanks for your help

JimW
Expert:  Wayne replied 3 years ago.

Mornking Jim,

glad to hear it, you are welcome

wayne Cool

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Wayne
Wayne
Technician
5811 Satisfied Customers
34 years experiance as engine rebuild and problems.Thermo-King repair and trouble shooting.