Thanks- I dont add more fuel after the pump clicks off, I will look into the shut off , purge valves

Hello, Iam new to the site, and wondered if anyone could help me. I have a 2000 V70 Wagon xc se awd with 120,000 miles. I have a hard time restarting the car after refueling' I have to crank for about 6 seconds , then feather the gas pedal to keep the car running until I can get into gear and go. Th...