I went to work came out side and my audi would not start tried all night can smell gas. next day car started drove it home next moring same thing after a few hours it started and misfired and then it went away once again it wont start. any idea replace spark plugs 3k ago icm replaced 4 months ago. i also had the problem after the car is started id run into a store come back out go to start the car and it wouldnt start. any ideas.... plugs where wet i can hear it tire to fire but it wont fully start.

 

you might have a problem with your fuel pump, prob needs to be replaced. Same thing happened to me when i had my BMW 3 series.