Saturn Vue 2006 v 6 3500 starts to shimmers looses power

What is your question?

seems to be loosing power then it shimmers you let off the gas, (feels like your going over a bunch of railroad tracks cause the whole car vibrates) let it coast for a little and then give it gas again, it continues, coast a bit more and then slowly accelerate up to speed. It did that twice today Could it be the fuel pump? or fuel filter? It has 147,000 miles. it has always been maintained on time and tires rotated the only trouble we had was when the radio kinda blew up the dash was hot and we switched that out other no other problems from it. Thank you in advance for your expertise on this matter. Karen

How long has your 2006 Saturn Vue had this problem?

just today