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Re: Kenworfth Exhaust (SCR/DPF) service required
Posted to HD/Fleet Forum on 4/29/2019 3 Replies

Year and model?

What are you using to talk?

I have seen before where a derate will stay present even after no root cause faults remain. Sometimes reflashing can be the only way to rid the derate. The response in the ECM can be delayed. Have you driven and ... Login to read more.

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