2003 durango runs sluggish. Farther it goes worse it gets. Dies in reverse.

What is your question?

Runs sluggish. Dies in reverse. Acts like several coil packs. Tried different pcm. Made it worse. Has a habit of blowing coil packs. 3 different ones in 4 months. It came on all of a sudden.

What makes this problem better or worse?

Longer it runs the worse it gets

How long has your 2003 Dodge Durango had this problem?

Put in new coil pack 1/9. From then until may we put in 3 more. Different ones. This last one happened in sept.