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International Automotive Technicians Network
Re: Cummins ISC Fault code 328
Posted to HD/Fleet Forum on 5/23/2002

I found some time to look up some information. If this does

not help you may have a bad pump.

Verify pumping element performance. • Using INSITE, run the

Pumping Plunger Cutout Test on each pumping plunger.

Observe VCA, Accumulator Pressure, Accumulato... Login to read more.