gas petal on 1996 Buick Park Avenue

when I accelerate over 50 Miles an hr and then come to a complete stop,my gas petal sticks.Also the engine acts as if it is going to stop. I have 58,000 original mils on the car. I usuallly drive 2 miles to work and drive 20-40 miles an hr

Asked by for the 1996 Buick Park Avenue
Have a shop check the throttle body, it may just need cleaning. It's a common problem, especially on vehicles that are driven short distances like yours.