Vehicle came in with check engine light on, codes 25 and 26 stored. Cleared codes and test drove, codes have not returned yet. Monitored oxygen sensor signal just to see what was happening during test drive, found o2 signal reading negative voltage. Further te...

Summary posted 7/30/2002

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