vehicle came in for failed nox. no dtc's. tested egr vehicle stalls getting back pressure thru hose. did functional test w/noid lite it blinks while testing. when testing stops noid lite says on all the time. while testing (functional) there is no vaccum reale...

FIX posted 8/30/2006

iATN Members:
Login to view full TechHelp request
Auto Repair Pros:
Join iATN to read this TechHelp request
Vehicle Owners:
Find a nearby iATN member to repair your vehicle