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by Rex_tulips - 30/07/25 07:59 PM
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Forums34
Topics48,365
Posts813,376
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Most Online1,046
Aug 24th, 2023
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Joined: Nov 2015
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New to Talk Morgan
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OP
New to Talk Morgan
Joined: Nov 2015
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Does anyone have some advice on adjusting the fuel tank sending unit to register empty with empty tank...would rather fix a functioning but out of adjustment unit vice buying a new sending unit...ideas?
Neal Patton
60 Plus 4
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Joined: Jan 2012
Posts: 14,976 Likes: 1
Member of the Inner Circle
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Member of the Inner Circle
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Is your voltage regulator OK? Worth a quick check first.
Richard
1976 4/4 4 Seater
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Joined: May 2012
Posts: 1,639 Likes: 20
Talk Morgan Enthusiast
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Talk Morgan Enthusiast
Joined: May 2012
Posts: 1,639 Likes: 20 |
Hello Neal If your gauge reads high across the entire range you may be able to re-calibrate it with a resistor? See here. The resistor doesn’t have to be on the gauge it could be attached to the sender.
Roger
2011 Plus 4
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Joined: Aug 2011
Posts: 766
Talk Morgan Regular
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Talk Morgan Regular
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Tempted to say 'they all do that sir'....but maybe they don't, however, my old 4/4 did as I first found out to my cost with a lengthy push required.
Paul
Tuftie66
2008 Claret Red +4 Sports
2016 Mazda CX-3, Sport AWD.
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Joined: May 2015
Posts: 110
L - Learner Plates On
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L - Learner Plates On
Joined: May 2015
Posts: 110 |
In addition to the above two alternative approaches.
Take the sender unit out of the car, clean the wiper and bend the float arm up or down so it reads more according to your wishes.
Go to the web and look up Spiyda Electronics, they make a box of tricks that sits between the sender and the gauge that allows you to redefine full, half and empty.
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Joined: Jun 2011
Posts: 1,418
Has a lot to Say!
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Has a lot to Say!
Joined: Jun 2011
Posts: 1,418 |
I think it's the goblin in the petrol tank that's to blame. He gets bored, so for devilment he holds the float up to the quarter level then let's it drop just as the last trickle is being sucked up by the pump.
I always fill up as soon as it gets down to a quarter now.
Cheers.
Jeremy
2009 4/4 Sport Green
And nothing else !
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Joined: Dec 2008
Posts: 21,871 Likes: 168
Roadster Guru Member of the Inner Circle
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Roadster Guru Member of the Inner Circle
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Isn't it the ELF in the tank?
DaveW
'05 Red Roadster S1
'16 Yellow (Not the only) Narrow AR GDI Plus 4
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Joined: Mar 2014
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Just Getting Started
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Just Getting Started
Joined: Mar 2014
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I always had a tiger in my tank!
Dum Spiro Spero
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Joined: Jan 2012
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Member of the Inner Circle
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Member of the Inner Circle
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Have you tried different motion potion? Perhaps the current type is not compatible with your gauge?
Richard
1976 4/4 4 Seater
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