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Jeep
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2023
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Cherokee Trailhawk
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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 P0172 To P0245
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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.