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Re: cummins QSB5.9-30 won't start cold
Posted to HD/Fleet Forum on 8/25/2024 6 Replies

Got back on this for a few minutes today. Was about 40 degrees outside. Cranking the engine without the aux electric fuel pump on I get no fuel pressure or smoke. Running the electric pump, I get 4 psi, but it starts dropping as I crank the engine. After about... Login to read more.

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