would a bad fuel tank pressure regulator cause the car to stop when not moving on 1999 Ford Contour

when I stop at stop lights and the car is in drive it will some times cut off. what causes this

Asked by for the 1999 Ford Contour
1 answer 1 comment
No it would cause this, its used for evap self test.
It would cause what? What would cause it to stutter and stop when I stop moving?