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Jeep Truck
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1999
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Wrangler L6-4.0L VIN S
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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 Pressure
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Service Precautions
Fuel Pressure: Service Precautions
WARNING: THE FUEL SYSTEM IS UNDER CONSTANT
FUEL PRESSURE
EVEN WITH THE ENGINE OFF. BEFORE DISCONNECTING FUEL LINE AT FUEL RAIL, THIS PRESSURE MUST BE RELEASED.