Both the fuel filter and fuel pressure regulator are relatively inexpensive and are EASY to replace yourself. The fuel filter is located on the inside of the frame rail just behind the passenger door. It may take a little persuading to get the lines off of it, but still shouldn't be a problem. There is a write-up by former member "Dino" on how to replace the FPR: http://www.vehicross.info/forums/showthread.php?t=12021
I have the cut down allen key that his instructions call for that I would be happy to send you if you would like.