2004 Ford Excursion Equipment problems

I have taken vehicle to armstrong ford, world ford, and then sawgrass ford at least 6 times for the same problem.... My vehicle jumps forward when I am not even pushing on the gas pedal. Or it dies when it's on idle position. They have changed parts, done recall repairs, and the last time I had to pay over $100.00 For them to tell me they couldn't find the cause of the problem. I am afraid one day someone is going to cross in front of me and this vehicle is going to jump forward and hurt someone!!! I am...

While driving, the vehicle surged. The consumer would smelled gas fumes inside the vehicle. The dealership was aware of the problem, but did not resolve it. *Ak the turbo would not turn on and would not go over 3500 rpm's and there was a flutter type of sound coming from the driver's side rear quarter panel when the a/c was on only by the rear a/c controller. *Sc