Check the fuel pump, or better yet replace it. Might be a good idea with near 100K miles.
If you do and it has the same problems...I will meet up with you when I get back and switch coil packs.
Hector
2003 Rally Red Mitsubishi Evolution VIII
257HP/259TQ
2005 Lapis Blue Mazda 6s
RET: 00 Cabernet Red Ford Contour Zetec ATX SUPERCHARGED
160HP/141TQ