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Chevrolet
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2012
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Express 1500 RWD V6-4.3L
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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
Fuel Pressure
Ignition ON, engine OFF
345-414 kPa (50-60 psi)
Relieve the
fuel pressure
to 69 kPa (10 psi). Verify that the fuel pressure does not decrease more than 14 kPa (2 psi) in 5 minutes.