What is the car doing? This site below does not list the fuel pressure regulator as a problem area for the 94 Lesabre, but it does for the 97 (the year I have). I am looking at possibly replacing one very soon to fix a dying problem (no codes). I priced one yesterday. It will be about $56.
http://autos.msn.com/research/vip/Re...abre&trimid=-1
http://autos.msn.com/research/vip/Re...abre&trimid=-1