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GMC Truck
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1994
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G 3500 1 Ton Van 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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Specifications
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Pressure, Vacuum and Temperature Specifications
Pressure, Vacuum and Temperature Specifications
Ignition ON Engine OFF
179-220 kPa (26-32 psi)