Got called back to the office this afternoon because a computer was rebooting. The 1994 Trans Sport 3.8 ran beautifully. I shut ijt off, and when I came out half an hour later and restarted it I smelled raw gas from the now cold exhaust, and the engine had a pronounced miss.
I limped it home and disconnected injectors one at a time ntill I found #3 made no difference. I shut it off and pulled #3 plug wire. When I cranked it over there was no spark. I pulled the wire from the coil. Still no spark. I pulled #6 from the coil (opposite connection) and it had LOTS of fire. I pulled the coilpack and replaced it - lots of fire, but the engine still missed. Spark tester showed the second (middle) coil pack was producing a weaker than normal spark - so I replaced it too, and the engine now runs as sweet as ever.
Any idea what would cause 2 coils to "go south" all at once? The other coil pack was replaced something like 5 years and 90,000 km ago. (thruck has over 365,000km on it now)