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What would make my fuel gauge on a 1997 Astro van read full most of the time but never get below seven eights of a tank no matter how much fuel is in it?
Wiki User
∙ 16y ago
Most fuel gauge sender units use a float inside the fuel tank, which is coupled to a electronic device that will vary the voltage as the float position changes. Either the float has gotten hung up on something, or the electronic device has gotten dirty. In either case, removing the sender unit from the tank will be required to repair the problem.
Wiki User
∙ 16y ago
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