I have this 88 dynasty that is running rich at ldle. The O2 sensor reading is .94v at idle. If I introduce a large vacuum leak the reading will drop below .45v but the computer will adjust and run the readings back up to .94v. Engine vacuum is 21in. fuel press...

FIX posted 4/6/2005

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