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Home >> Hummer >> 2010 >> 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).
Verify that the fuel pressure does not decrease more than 34 kPa (5 psi) in 1 minute.
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