Mike's Workshop Manuals
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2021
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Cherokee High Altitude, Automatic T/Case Control
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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 P0088 To P0223
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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.