What would cause a rough idle, Jerking while driving, hard to increase speed on 2006 Dodge Durango

While at idle the unit runs very roguh, when driving down the road the unit jerks and jumps, the unit has a very hard time getting up to road speeds.

Asked by for the 2006 Dodge Durango
Plugged fuel filter? Timing way out of whack?...Hmmmm...