Stalling 2004 Stratus

I hope someone can help out with this one...I just bought (last week) a 2004 Stratus with 27,000 miles. It wasn't the smartest decision I ever made (mileagewise), but what is done is done. The car has stalled on me twice since I got it. Both times it occured after the car was on a steep incline. I'm guessing it has something to do with the transmission but can't be for sure. I still have a little of the manufacturer's warranty on the car. But I wanted to be well researched before returning to the dealership. That's the only problem I've had thus far (I've been commuting for a week 50 miles each way). Any help?

you need to call Daimlerchrysler at 1-800-853-1403 their is a recall on the fuel pump the fuel return line hose fittings on the electric fuel pump may be improperly molded. The dealer will replace the fuel pump, the recall began on August 9th, 2004.......