Don, You're hard to keep up with :)
If you haven't read this on the other posts, I have found the coil housing to be a common cause of misfires on these. Change the plug boots at the same time. ( I prefer the NAPA with the lifetime warranty.) Have you had the codes checked?
I would strongly reccommend a fuel filter if it hasn't had one in the last 30,000, but we are speculating :)
Tuesday, December 26th, 2006 AT 6:55 PM