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Old 18-02-2013, 13:07   #1
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Join Date: May 2012
Location: Sydney, Australia
Boat: Beneteau 373
Posts: 156
Fuel guage very optimistic

Have a Beneteau 373 2005 with a volvo 2040
The fuel guage is very out.
Based on the tank and what i put in it when reading 1/4 it is empty.
Stays on full for a very long time.
The boat is in charter so this is a real problem.
Is there a way to adjust the guage? Sorry i do not have the type at hand.
I do not not know if it was like this from new.
Thanks in advance...
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Old 18-02-2013, 13:58   #2
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Location: between the devil and the deep blue sea
Boat: a sailing boat
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Re: Fuel guage very optimistic

You can lift the sensor and try it by hand. If faulty, replace with same type. If the tank has a proper inspection hatch, this can be done without removing the sensor but removing it is often the shorter and less messy procedure.

Gauges do not fail often, suspect sensor first.

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Old 19-02-2013, 10:34   #3
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Join Date: Feb 2013
Location: Sanibel FL
Boat: 1979 Bristol 35.5 CB
Posts: 981
Re: Fuel guage very optimistic

Float arm is too long, easy to adjust but you need to pull the sender. If you look at, I think they have the instructions for adjusting for tank depth. You may need to slide the mechanism along the upright to then adjust the upper limit.
John Churchill Sanibel FL
NURDLE, 1979 Bristol 35.5 CB
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