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You have 3 individaul coils each one sits on the ICM(ignition control module). Now if there is no power to one of the ignition coil pack youll have to replace the ignition module, It will be in your interest to replace that coil that has no power to it.
Multiple engine misfire is related to the coils and the ignition control module. I have a 2002 with the 3.8 engine. It has three coils. I just went through this problem. I bought one coil and tried it in each position with no improvement. It was the ignition control module. Mine is located under the three coils. A relatively easy item to replace. Cost about $140.
Unscrew the ignition coil(s) from on top of the module...(leave plug wires attached)....and set aside noting coil position on module....unplug module and replace with a known working module.If there is grease under old module...transfer it to new module.Replace coil(s) and start her up. TIP. While you are there,why not also change the crank sensor (if it not new).....it is THE trouble maker on these engines.
Have you replaced the ignition module uner the coils. The pass key cuts off the starter and fuel does not effect spark. if you have no spark crank sensor cam sensor ignition module coils and wiring are all that is there.