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Home >> Hummer >> 2009 >> H3 V8-5.3L >> Repair and Diagnosis >> Powertrain Management >> Tune-up and Engine Performance Checks >> Fuel Pressure >> Specifications
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Fuel Pressure: Specifications

Fuel Pressure (Key ON, Engine OFF) 345-414 kPa (50-60 psi)
Fuel Pressure should not decrease more than 34 kPa (5 psi) in 1 minute
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