Mike's Workshop Manuals
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Jeep
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2025
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Grand Cherokee 4xe
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Repair and Diagnosis
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Engine Performance
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System
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2.0L - DTCS P0141 To P0198
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DTC Troubleshooting
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P018B Fuel Pressure Sensor Circuit Performance
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Set Condition
Set Condition
If the PCM detects the delta pressure change is not above more than 7.0 kPa (1.0 psi), the Fuel Rail Pressure Sensor signal is considered irrational and a fault is set.