Hello my first post on here 😁

my names Marty from Australia I have. 2009 RT voyager 2.8 CRD with the dreaded crank no start issue..

replaced,
battery
glow plugs
fuel filter
fuel
pressure regulator
air filter
return fuel line on top of injectors

according to my scan tool I’m getting p0087 low rail/system pressure bank 1, also noticed on live data the cranking pressure is 90bar I think I read these engine need a minimum 250rpm + 150bar to sucessfully start the car, the HPFP WAS replaced between 2016 and 2019 I do t think this is the cause, anyone have any ideas??