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Home >> Chrysler >> 2025 >> Pacifica Plug-In Hybrid Select >> Repair and Diagnosis >> Engine Performance >> System >> 3.6L - DTCS P0344 To P0406 >> DTC Troubleshooting >> P0401 EGR System Performance >> Possible Causes
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Possible Causes

Possible Causes
EGR VALVE PASSAGE BLOCKED/RESTRICTED
EGR SYSTEM LEAK
EGR VALVE ASSEMBLY

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to:  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  . 

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