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Old C7 Acert CAT
Posted to HD/Fleet Forum on 4/11/2025 3 Replies

Hi HD,

We have a 2007 Sterling with an ACERT Cat in it. Had fuel in the coolant. Did the cups, cup seals and 6 reman'd injectors. Routine. Did 100 of these if not more. Cold, runs great. The second the temp hits 150 degrees it starts to run rough, engine mis... Login to read more.

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