While trying to trace down the lean problem causing the rough idle we found we had 4.0 volts at the left O2 sensor blue wire even with the key off? When the engine is running both O2 sensors cycle from .005 to .7 volts, but with the engine off we get 4.0 volts...

FIX posted 11/30/1998

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