Mine never reads full. It is a 20 gal. aftermarket tank located in the rear and I have never been able to put more than 15 gals in when reading empty. Sorry no help here. I think the sender is not installed correctly.


Ron, The Computer Greek
I love therefore I am.
1954 3100 Chevy truck
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2017 Buick Encore
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1960 MGA Roadster Sold 7/18/2017