× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
Re: The Blind leading the Blind. Chapter 2
Posted to Shop Management Forum on 1/30/2020 4 Replies

Glen the DEF quality sensor is akin to the o2 sensor in my opinion, we have found when DEF quality is called out the failure is in the NOX reduction. Check scan data and see what NOX in to NOX out data looks like, out should be almost zero. Watch the sensors f... Login to read more.

4 Replies Received (View Replies)