This truck has a stumble just off idle that I cannot figure out. Starting TPS is .56 v and at about.7-.8v the fuel goes drastically rich,vaccum drops,O2 goes rich and the truck will shake and shudder. If you let off the throttle it will clean up but at times w...

FIX posted 1/12/2001

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