sorry guys i blew it.. i actually have a 91, dont know what I was thinking. Guess i will just buy one. My fuel pump went out a few weeks ago, and that could be all it is. Im not sure. thanx neways.
Just do the key trick to read the codes from your xj. Just turn the key from off to run (not start) 3 times within 5 seconds and the CEL will flash a code showing what faults are present.