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Re: 2004 MY Cummins ISB Lift Pump Pressure
Posted to HD/Fleet Forum on 6/7/2008 1 Reply

Hi David,

Tim is correct with the charge air cooler hose. That must be correct first.

Then to do any fuel system testing we need a serial number. In my generic search for the HPCR system; flow of the electric fuel pump, measured over 30 seconds (toggled on... Login to read more.

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