lmorris Posted October 21, 2013 Share Posted October 21, 2013 That the 2013 and ups have 2, YES 2, NOX sensors and modules,as well as a before and after DPF hose going into the DPF monitor? We just did, and I have seen no articles about the running change. Quote Link to comment Share on other sites More sharing options...
Keith Browning Posted October 21, 2013 Share Posted October 21, 2013 I recall Cummins telling us that they were going to be adding another NOx sensor as well. The explanation from them was that under certain conditions the system can actually PRODUCE NOx if the internal temperatures got too high and it is better to monitor what the SCR is doing chemically. I hope that is right. It's been a while. Quote Link to comment Share on other sites More sharing options...
Steve Mutter Posted October 21, 2013 Share Posted October 21, 2013 The exhaust systems on these trucks have more sensors in the exhaust then early obd cars had on the engine! Quote Link to comment Share on other sites More sharing options...
Aaron Posted October 22, 2013 Share Posted October 22, 2013 The exhaust systems on these trucks have more sensors in the exhaust then early obd cars had on the engine!That's the truth! Quote Link to comment Share on other sites More sharing options...
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