Jul 12, 2014 · Looking for info on the Duramax NOx sensor information and found this: Diesel NOx sensor technology | Search Autoparts Like oxygen sensors, NOx sensors will not work unless they …

Sep 20, 2021 · Simple question(s) for those who have done this already....is it necessary to have a dealer reset the ecu after replacing both front and rear nox sensors? I am getting the p11dc for …

May 6, 2024 · Replaced NOx sensor 1 per the P2A00 fault Regarding the heater, did some more poking today, and also see at times that NOx 2 was reporting -100ppm after 30 miles of driving, in addition …

Jun 25, 2022 · How long will the 2018 lp5 run before going into limp mode with upstream NOx sensor bad

Dec 6, 2020 · My 2013 3500HD has the dreaded "Exhaust Fluid Quality Poor" message and the DEF light. Since I already had it, I replaced the downstream NOX sensor. I replaced the upstream NOX …

Jan 18, 2020 · Code P2201 - Upstream NOX Sensor Replacement Jump to Latest 42K views 17 replies 7 participants last post by Runninstuff Dec 20, 2021 Runninstuff Discussion starter

Jun 29, 2023 · The smart NOx sensors consist of two components, the NOx module and the NOx sensor element that are serviced as a unit. A circuit or performance condition with a NOx sensor is detected …

Apr 17, 2021 · So this is new tech for me, but I understand the basics. Here are the questions: 1. I know the NOX sensor is down stream from the injection point for DEF in the exhaust system, but physically …

Aug 18, 2013 · how many NOx sensors are on the 2011 6.6 turbo diesel? i know for sure of the NOx sensor 2 and where its located, but is there more than one? and if so, where is the other located on …

Mar 14, 2025 · P2219 NOx Sensor Heater Control Circuit Low Bank 2 How to quickly diagnose, repair, and causes of a P2219 diagnostic code that means there is a low voltage in the NOx sensor heater …