Operation CHARM
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GMC Truck
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1987
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Suburban 3/4 Ton 4WD V8-305 5.0L
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Repair and Diagnosis
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Powertrain Management
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Tune-up and Engine Performance Checks
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Fuel Pressure
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Specifications
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Fuel Injected
Fuel Injected
FUEL PRESSURE
Ignition ON Engine OFF
62-90 kPa (9-13 psi)