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2011
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Colorado 2WD V8-5.3L
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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
Fuel Pressure
(Key ON, Engine OFF)
345-414 kPa (50-60 psi).
Should not decrease more than
14 kPa (2 psi) in 5 minutes.