Fuel Gauge only reads 3/4 full on a fill up on 2005 Land Rover LR3

Whenever I go to fill my tank, it only reads 3/4 full. What is causing it?

by in Canfield, OH on April 09, 2010
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2 answers
ANSWER by , April 09, 2010
Usually a sign of a bad fuel tank sender unit, better to read inaccurate at that end of the scale than the bottom /empty part.
ANSWER by , July 25, 2010
I had to change my sending unit. But if i don't turn the engine off at fill up it reads 3/4. if you turn it off and start back up it reads correctly.