after a week of driving the wifes g6 i am back to my truck . all this started because i wanted a working fuel gauge . i replaced the rear tank and all that goes with it and found the return fuel was going to the front tank . so with out thanking it out i replaced the front tank and all its guts and next thing i know i vapor locked the fuel system . now a new fuel selector valve it is running like a brand new truck . i want to thank everyone that has helped me out with this problem .