I have same prob but Im futher down rd car now sputers whilst driving i have a Q on here aswell. So far I ave replaced egr valve, swirl valve and injectors plus service where air flow was tested and fund not to be prob.
My advice sell now I am 1300 outta pocket by a NISSAN garage and they wont refund me even though fault remains, also phone Nissan them selves tell them i have and they said ts unheard ofyet your the 3rd i v come across on net??
D u ever ru low on Diesel????
hansonwa
April 2008