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Fuel Pressure|System Diagnosis > < Positive Crankcase Ventilation Valve|Locations|Page 3296

Liberty 2WD V6-3.7L VIN K (2003)

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Fuel Pressure: Specifications

FUEL SYSTEM PRESSURE

If equipped with JTEC Powertrain Control Module using 3 electrical connectors: 339 kPa ± 34 kPa (49.2 psi ± 2 psi) 
If equipped with NGC Powertrain Control Module using 4 electrical connectors: 400 kPa ± 34 kPa (58 psi ± 5 psi) 

Fuel Pressure|System Diagnosis > < Positive Crankcase Ventilation Valve|Locations|Page 3296