Don't forget we have a nice thread at Tips & Maintenance to give her an idea of the work involved.

See link below. Maybe she has a friend, boyfriend or hubby that is DIY capable to reduce the cost.

The fuel level sending unit can be replaced without replacing the whole fuel pump pod. Less than $100 providing labor is DIY. Available from an AC Delco parts supplier as a kit.
http://www.automotiveforums.com/vbul...d.php?t=739278