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MACK AC-355/380 misfire
Posted to HD/Fleet Forum on 3/25/2019 10 Replies

Hi everyone, I have a 2004 MACK with a cylinder #2 misfire. My universal scanner picked up an "injector #2 abnormal frequency, pulsewidth, or period" code (my employee cleared the details). I did confirm that the number 2 cylinder is not running by cracking th... Login to read more.

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