will start then die right a way then you can start it right back up and it dies

What is your question?

you can do this all day it always will start but dies the fuel pump is running has gas and it started doing this after i went and put gas in it i drove it home park it came out two hours later i and i started it and it runs for 3 to 5 seconds then dies but will start right back up but dies again please help me