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Jeep
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2008
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Wrangler 4WD V6-3.8L
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Repair and Diagnosis
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Powertrain Management
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Fuel Delivery and Air Induction
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Fuel Injector
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Specifications
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Pressure, Vacuum and Temperature Specifications
Pressure, Vacuum and Temperature Specifications
*
FUEL PRESSURE
LEAK DOWN
Fuel specification is 407 kPa +/- 34 kPa (59 psi +/- 5 psi).
Monitor the
fuel pressure
gauge for a minimum of 5 minutes.
The pressure should not fall below 241 kPa (35 psi).