Hello GM techs:

We've replaced a PCM on this van as the old one came apart in our hands due to corrosion. With the replacement PCM, the van started up without any problem. As soon as it reached closed loop operation, things started to head south. Rough idle, ...

FIX posted 12/20/2001

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