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Re: GM 6.5l Diesel no start
Posted to HD/Fleet Forum on 5/15/2019 1 Reply

A failed lift pump = no fuel. No fuel = no start. The P0231 as stated in the OP has nothing to do with the PMD, but a P0231 can cause a no start condition, which is what the thread title says. The PMD is a common failure once it overheats. People throw PMDs at... Login to read more.

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