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Re: fuel injection pump failure Cummins ISB 5.9L
Posted to HD/Fleet Forum on 3/6/2012 3 Replies

I'm not familiar with that particular pump, I see plenty from Napa, AZ and the like, The Cummins pump has a bypass which will allow the IP to pull from the tank and not kill itself as quickly. Yes, I meant supply psi at the IP inlet. Login to read more.

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