My 96 3.5 was running rough also. I had a hell of a time finding out why. I finnaly narowed it down to the insulation boot at the end of the coil pack. The spark was shorting out to the head. Pull the coil pack and look at the end. See if it's scorched in one or more spots. I couldn't just replace the boot at the end of the pack. I had to get a new coil. Hope this helps.


96 sr 3.5 DOHC