Nox Inlet sensor crapped out. Replace right away? Or risk it?

Buy a new one and just let it hang in the air freely
That’s what MYHM would have said if he was not banned, I did that on my Freightliner also
Get a spare speed sensor to keep on hand if you derate then plug it into the harness and let that hang away from the sensor ring on the trans
Your speedometer won’t work and your ELD will not put you on drive But you can get down the road I used the Maze app for a speedometer

 

It worked on mine, that all I can tell ya

 

Getting derated, you can, and it does work to hook a new Speed Sensor into the harness, leave the old one in place, hang it away from the sensor ring on the transmission, or it will continue to derate, I hauled loads for several weeks from Minneapolis Mn to Tacoma , Wa before I could get it fixed, Freightliner 2013. DD 15 I also had a hand held I could initiate a regen to clear codes with, I never had the outlet sensor go bad. But
The codes on the hand held said inlet, so I hooked in a new one, and let it hang out side that worked for me
Like I said it did not put the ELD on drive, and the tach and speedometer did not work , so I was
Catching hell from the company on my log which
I ended up being able to edit, now you can not edit like that any more can’t argue with what worked

 

that speedometer trick is not working on new trucks with adaptive cruise control...i am talking about 17 and newer cascadias

 

Awesome! Thank you for reporting back!

 

You mentioned MHYN... i was thinking nobody remember him now...