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dkg520

520 fuel gauge

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dkg520

Today while cutting grass I noticed my fuel gauge was on full the entire day.  When I finished mowing the fuel tank was just about empty and the float in the tank would freely move up and down but the fuel gauge still remained in the full position.  When I shut the motor off then the gauge moves down to the empty position. Can I please get your expert advise as to what the problem may be.  Thank you in advance. 

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gwest_ca

Guessing these are the components you have. Click on the pictures

Garry

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cleat

My latest 520 did that and it turned out to be a bad gauge, sender unit and wiring were fine.

 

Luckily I had a good spare on hand.

 

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1995 520H+96+97

Does the guage go to full with key on and no one on the seat?

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dkg520

Yes it does.  

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1995 520H+96+97

On my 1996 520 the fender pan was touching the + terminal of the fuel sending unit, making the fuel gauge read full, when I was sitting in the seat.

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dkg520

Thank you for the advise and I will check that out. 

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