Hi Group

This 928 came in with a Nox failure. The O2 sensor was wire was severed at the sensor so I replaced it with a bosch 3 wire. Oxygen went down from 8% to 3% but the Nox is still high. The reduction bed in the cat may be bad but if I eliminate the AIR N...

Summary posted 4/17/2001

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