why when I hit the gas pedal i feel a strong vibration for a couple seconds happen when the car is in park and you are raising the rmp also when taking off from a dead stop . Any Suggest what may be the problem or are this engine are like this?

Things that had been replace
-Spark Plugs
-Catalityc Converted
-Power Steering Flush , Coolant Flush, Transmission filters and oil replace, Brake Flush,


2005 Dodge Durango 3.7L 120,258 miles .
It this the way Dodge vehicles run ? I just came from Ford and might be going back.. This company had change alot since Lee Iacocca left is not the same . Daimler Screw everything up.

could it be a bad cps sensor going bad? no check engine light

 

I might guess motor mounts but that's only because the saturn car I owned had motor mounts that could degrade over time.