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Re: NAV 4300 Have not seen this Code 2442
Posted to HD/Fleet Forum on 3/30/2021 1 Reply

I have never seen that code either, usually just a hot no start. Maybe a leaking cup seal or injector o-ring though? We used AM injector o-rings that were supplied with a long block once on a 466 and they didn't last long at all. Login to read more.

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