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Chevrolet
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2012
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Caprice PPV V8-6.0L
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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
Fuel Pressure: Specifications
Ignition ON, engine OFF, command the Fuel Pump Enable ON with a scan tool and observe the
fuel pressure
gauge while the fuel pump is operating. Verify the fuel pressure is between 345-690 kPa (50-100 psi).