Other Fuel System Tank Assembly problems of the 2015 Ford Flex

Our car has stalled on us 4 times, all while in traffic. 1st time at night on a residental street moving forward, 2nd and 3rd time while on a 40 mph road in heavy traffic, 4th time while going through an intersection on a main road moving forward. Each time vehicle has had a 1/2 tank or more of gas. Vehicle acts as though it has ran out of gas. Light on the dash comes on with a wrench symbol saying to check manual. Vehicle has been brought into westlie Ford in washougal, wa 2 times with no resolution. The computer is showing no issue, so nothing has been repaired. Vehicle is unsafe to drive, as this could potentially cause an accident. Had we been on a freeway I have no doubts it would have. Vehicle only has approximately 9800k miles on it and we haven't even owned it a year. I rely heavily on my vehicle, and have had to put out several hundred dollars so far on a rental car.

I was entering at carpool lanes when a debris hit the underbody of the vehicle, I just heard a big hit underbody and continue driving after two miles another driver notice fluids were draining from the bottom of the vehicle and urge me to check when I stopped I find out the debris had make a heavy damage to the gas tank and gasoline was in efect draining fast. I stopped and turn off the engine and a friend of mine help me take the damage vehicle to my house where the the rest of the gasoline drain out. I put sand into the drain gasoline and try to catch the more I could into a small bucket, I was afraid the car could catch fire so I put under a shadow the temperature was 97 frth neither the gas gauge started marking it was getting emptier or a check engine light show up at the dash board.