i have a 2017 dodge Durango citadel 84k miles
crank no start I've changed
1.keyfob battery
2.aux battery
3.fuel pump
4. fuel sending unit aka aux pump
i don't know what else to try does anyone else no of what it could be or ideas of what i could try or do

 

Find out what is missing. Are you getting spark? Fuel pressure? Injector pulse? Is the Security light in the dash on?