This truck has a high idle. Came in with O2 dead, replaced O2 sensor and now has switching O2 and closed loop. Found IAC unable to extend, replaced IAC motor. I can plug the IAC bypass and achieve a perfect idle, as low as 500 rpm's or even less with no vacuum...

FIX posted 12/12/2005

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