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Re: 04 IH 4400 HPOP question
Posted to HD/Fleet Forum on 12/11/2009

The Answer is that the HPOP and IPR solved the problem.

New IPR and old pump actually started the truck, but wouldn't build pressure beyond 2300 pounds running.

I'm having a hard getting my brain around three failures in under twenty miles though. And I ha... Login to read more.