this truck has failed an egr function test due to not recieving a vacuum signal in gear or reving the [...] system works fine if you raise the wheels & run in gear. my question is has anyone seen a written discription for this kind of function test for thi...

FIX posted 6/30/1999

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