car won't start but has fuel changed ignition distributor and crankshaft position sensor still won't start

What is your question?

my car has been sitting for 4 weeks now I replaced the ignition distributor and crankshaft/camshaft position sensor it turns over but won't start it wants to but won't at this point I don't know what to do. The and final day it ran there was a pop I looked into online an everything I found said bad fuel pump please help. 1999 Nissan Sentra XE 1.6L 4CYL

What makes this problem better or worse?

Doesn't Matter

How long has your 1999 Nissan Sentra had this problem?

4 weeks