2003 Buick Park Avenue Q&A

2003 Buick Park Avenue Question: i changed the two elbows net to the alternator and cleaned out my water pump

and now my car wont start, CHANGED ignition mudule, all three cores new spark plugs and wires, new battary, rebuilt my alternator, fuel is coming thruogh,every thing has a spark fuel injectors all fire up what else is there please help -
Answer 1
check fuel pressure and compression -
Answer 2
double ck your work if it ran before -
Answer 3
Did you short the alt wire, or did you remove batt cable first thing before work? -