This one is starting to drive me up a wall. On cold idle, once it comes down from the 1200ish initial start idle, it idles like a Chevy 350 with a very aggressive cam. Idle rapidly and rhythmically fluctuates about 200 rpm between 600 and 800 rpm. No codes...

FIX posted 3/22/2018

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