Not an entirely helpful post, but im having a remotely similar problem.
My boost doesnt peak (@ 19psi) until i have to change gear at about 4.5k rpm, so was also wondering if my turbo might be giving up.
Im not sure if yours should be dropping boost after 3k, as mine (when it was standard) was holding a steady 14psi up to the gear change, but peaking about 2k sounds about normal from other accounts ive read.
Im certainly no diesel expert myself, so i could be way off the mark. Im sure someone will be along shortly to correct me if i am.
My boost doesnt peak (@ 19psi) until i have to change gear at about 4.5k rpm, so was also wondering if my turbo might be giving up.
Im not sure if yours should be dropping boost after 3k, as mine (when it was standard) was holding a steady 14psi up to the gear change, but peaking about 2k sounds about normal from other accounts ive read.
Im certainly no diesel expert myself, so i could be way off the mark. Im sure someone will be along shortly to correct me if i am.
![[Image: P1060836_zpsz3xgxt7q.jpg]](http://i1101.photobucket.com/albums/g427/wingnutz2/P1060836_zpsz3xgxt7q.jpg)