Operation CHARM
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GMC Truck
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1989
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Suburban 1/2 Ton 4WD V8-454 7.4L
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Repair and Diagnosis
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Specifications
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Pressure, Vacuum and Temperature Specifications
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Fuel Delivery and Air Induction
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Fuel Pressure
Fuel Pressure
Fuel Pressure
62-90 kPa (9-13 psi)