Has gauge show empty but tank full drive a bit goes to full then to empty help on 2003 Oldsmobile Silhouette

Start car stays on empty drive for a bit will then slowly move to full the go back to empty. This started two days after filled tank. Is ther a fuse for the gas gage

Asked by for the 2003 Oldsmobile Silhouette
poss fuel level sensor is going bad,inside fuel tank