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Re: CAT C7 Over Fueling
Posted to HD/Fleet Forum on 4/29/2019 4 Replies

John, the plug on the top of the pump is the regulator for the high pressure oil pump that runs the injectors. The sensor is on the head. Surprised it even ran with that unplugged. This sysyem is basically the same as the Navistar DT engines from 1994 to 2003.... Login to read more.

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