1997 Chevrolet Astro Q&A

1997 Chevrolet Astro Question: gas gauge not working

just go up and down -
Answer 1
Sender unit has failed, requires removal of fuel tank. -
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it always stay on full when car is running. then after awhile back to up and down. PLEASE CAN SOMEONE HELP,YOU HAVE BEEN VERY HELPFUL IN THE PAST...