Hello!

I have a 94 3.4 that I have the same problem come up pretty often. I keep getting misfiring issues. I've already replaced the coils and even the cables several times to what appears to be only a temporary solution. The last time I had this issue was about 8 months ago. I replaced the coils then and it seems like I have to replace them again.

Anyone know what could be causing this?

 

have you had the computer/car scanned for trouble codes? codes may give an idea where to look. sounds like they may be overworked. maybe look for bad ground, check wires and connectors.