Engine PRoblem!~! Cam?ECu?
 

[hr] I just finished rebuilding my tiburon. I went to Hyundai and they checked everything they "Said" it was fine. but i my engine was groogie so i checked my self and one of my vaccum hoses were off so i put it back and my engine wont stay running. I tried adjusting my idle with the screw but no luck it, theres black smoke and it sounds like its fluding it's self. i need help asap!!!

MY engine 1999 2.0l

XD/HD cam
1.8l pistons
under and over pullys
All new gaskets and rings.