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Re: Exhaust Fluid System Fault message displayed
Posted to HD/Fleet Forum on 5/16/2019 1 Reply

Just had one last week with a failed NOx sensor. After repairing and clearing codes, I had to drive about 10 miles at 50 mph max and the message went away and higher speeds would resume.

I would be looking at all after treatment data to make sure you don’t h... Login to read more.

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