what is wrong wit my van it stalls when i come to a stop. on 1993 Ford Aerostar

well this would be the second time it done this but when i am driuving it will run fine but when im done driving and i wanna drive it will but when i come to a stop light an start slowing down to stop it will jerk an die out can you tell me why is this and what can i do.

Asked by for the 1993 Ford Aerostar