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Jeep
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2022
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Grand Cherokee Summit 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 P012D To P0193
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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.