Montana Owners Club - Keystone Montana 5th Wheel Forum - View Single Post

**Carl n Susan** · 06-08-2020, 11:08 AM

I was wrong about the DEF system It indeed has NOX sensors and alters the amount of DEF depending on the NOX levels detected.

Here is a link to a good explanation of the system
https://www.searchautoparts.com/moto...ology?page=0,1

06-08-2020, 11:08 AM	#43
Carl n Susan Site Team Join Date: Oct 2005 Location: Carmichael - CA Posts: 7,366 M.O.C. #4831	I was wrong about the DEF system It indeed has NOX sensors and alters the amount of DEF depending on the NOX levels detected. Here is a link to a good explanation of the system https://www.searchautoparts.com/moto...ology?page=0,1 __________________ Carl (n Susan) There is more to life than fuel mileage. 2012 Montana 3700RL Big Sky Package towed by a 2015 Ford F350 6.7L PSD 4WD CC LWB