2000 audi tt coupe not starting sometimes.
 

i have a 2000 audi tt coupe 1.8 5 speed. i put new fuel pump,fuel filter,fuel relay. ill drive amd then shut it off and sometimes it will start and sometime s it wont start tell the next day. cranks over but will not start. i took it to work the other day driving it home it jerked a littlen died on me would not start got it trailered home and then later that night it started very strange some times it starts. otherwise just cranks over and dont start. would this have anything to do with fuek pressure regulator n vacum line on it? just wondering i dont wanna buy a bunch a parts i dont nead any help would be greatly appreciated thank you:)

Fuel
 

Mine does that after the engine gets warm. Im looking for the answer too.

Maybe something wrong with the battery?

Good lord
 

I found mine. Coolant temp sensor. $13. Drove 60+ miles after changing it w/ no issues.