Vehicle failed for NOX, exceeding Gross Polullter limits at 25 mph. Tested vacuum supply to EGR Valve, vacuum came on at initial accelleration but shut down within a second or two. As per above, EGR lift sensor failed test, replaced EGR Valve as [...], still f...

FIX posted 8/23/2003

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