Random Missfire Issues

[94OldRed]

What about the fuel filter? Was that replaced with the fuel pump?

 

[tom joyce]

This is an electrical issue. It is either your coil going bad or the ignition control module. It is likely the ICM. They crack inside and when they heat up the contacts fail....

If you are going to replace the ICM make sure you put an AC Delco unit in. They are a little more expensive BUT you get what you pay for...
I have had cheaper ICM's fail just after a few miles or so....
AND be sure to clean all the old grease off and put the new grease on with rubber gloves - oil from your skin can kill ICM's quick...