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Re: Exhaust Fluid System Fault message displayed
Posted to HD/Fleet Forum on 5/25/2019 2 Replies

Before letting the truck go, even if the dash message goes out, monitor "nox-aft eval", when it shows yes, the monitor has run. If a code is going to set, then it will set now. After it shows yes, and no codes are set, then go into mode 6 and check nox efficie... Login to read more.

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