my fuel gauge quit keeps fluctuating between full and empty one second its full, on 2001 Pontiac Grand Prix

one second its full and then it's back to empty again and then back to full and then back to empty I don't know how much gas I got in itm

by in Saint Ann, MO on August 18, 2014
2 answers
ANSWER by on August 18, 2014
. .
ANSWER by on February 26, 2015
fuel level sensor. having the same problem with mine.