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NAV 4300 Have not seen this Code 2442
Posted to HD/Fleet Forum on 3/30/2021 6 Replies

2009 NAV 4300 9H693848 setting code NAV DTC 2242 aka SPN 1442 FMI 2 defineds as "Injection Control Pressure command 10% higher than last learned command under same conditions" Cause: possible ICP system leak.

I am very familiar with ICP system issues on these... Login to read more.

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