renault traffic 1.9dci 100 bhp

[chris2791]

hi hope some 1 can help have got a renault traffic 1.9dci 100bhp that when started it runs fine for a while and then dies it sounds like its running out of fuel or starvation have plug it in and get codes 181a and 1882 well 181a is air con related and 1882 is Rail pressure monitoring have checked data and fuel pressure is all over the place on ing on 1.8 bar to 3.6 bar then crank = 75 to 120 bar then tick over between 235 bar and 330 bar then flat out between 750 to 1325 bar have spent most of the day swapping parts with a nother van with same engine to be no further foward here is what i have changed low pressure pump high pressure pump main rail with pressure censor new filter changed injectors crank censor have even changed fuel pipes from tank just in case all the parts come of a running van that works fine starting to scratch my head now if any 1 has any idears that would help that would be great thanks chris