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Re: Fuel pressure
Fuel pressure is supposed to be 55-62 psi engine running, and it should not drop more than 5 psi after you turn the engine off for at least 1 minute.
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1967 GMC CM-2500 Camper Cruiser, 351E V-6, NP 435 4 speed, Dana 60, and factory A/C. 2012 GMC K-3500 WT regular cab, 6.0L Vortec, 6L90.
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