why wont my 07 VW eos stay running

What is your question?

I have just replaced the entire ignition assembly. The key wouldnt turn. Now the car will start but not stay running. There is a flashing car and key on the dash. I tried the turn on but not start for ten minutes and repeat three times. After that i was able to get it running but when i turned it off and tried to start again it died after a second or two.