Non-MOPAR tech question... My apologies!
I was a FORD Technician for a few years.....you need a new filler neck.
The ones I have seen SPLIT in the neck bends and leak like crazy.
Should cost around $85-$140 for a new (1) piece filler neck....
http://www.google.com/#q=1992+Ford+....1,d.b2I&fp=a1039885b3921ffc&biw=1680&bih=881
Prine
Print