FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM
:
Car repair manuals for everyone.
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Hummer
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2010
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H3 L5-3.7L
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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
(Key On, Engine Off)
345-427 kPa (50-62 psi).
Verify that the
fuel pressure
does not decrease more than
34 kPa (5 psi) in 1 minute.