customer complaint of rolling idle between [...], constant in park and a surge on decel.

no codes and data stream looks good. charging system is o.k. as far as output 14.3v and 100+amp, but diode pattern irregular at idle only. could that be the cause?

idl...

FIX posted 4/15/1999

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