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Hummer
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2009
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H2 V8-6.2L
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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
Verify the
fuel pressure
is between
345-414 kPa (50-60 psi) and does not decrease more than 34 kPa (5 psi) in 1 minute.