Operation CHARM
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GMC Truck
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1994
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K 2500 Truck 4WD V8-454 7.4L
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Repair and Diagnosis
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Powertrain Management
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Fuel Delivery and Air Induction
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Fuel Pump
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Specifications
Fuel Pump: Specifications
4.3L, 5.0L and 5.7L engines
62 to 90 kPa (9 to 13 psi)
7.4L engine
179 to 220 kPa (26 to 32 psi)