Adjusted timing to 10 at 800,by adj isc and tps did a pre test and got horrible nox readings. TPS IS .65 AT IDLE ,EGR SEAMS to be working ,when manually opened I get a little engine stumble, not as much as I would like,cant tell if its enough or not? New c...

FIX posted 1/12/2000

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