2007 Buick Rendezvous - Won't start

car cranks and will not start after replacing fuel pump twice and relay once. Runs for awhile then wont start

What led you to replace these?

It might be useful to know how many miles are on the car.

First you post this… and then you post this…

Which is it?

First step is determine if the cranks but won’t start is due to no fuel, or no spark.