Mike's Workshop Manuals
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2023
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Grand Cherokee 4xe
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Repair and Diagnosis
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Engine Performance
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2.0L - DTCS P253F To U0109
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DTC Troubleshooting
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P3074 EVAP System Pressure Sensor / Switch Rationality
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Set Condition
Set Condition
The PCM detects a difference of approximately 2700 Pa (0.39 psi) when comparing the FTP Sensor and ELCM Pressure Sensor values.