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Home >> Jeep >> 2019 >> Grand Cherokee Laredo, AWD, Automatic T/Case Control >> Repair and Diagnosis >> Engine Performance >> System >> 3.6L - DTCS P0365 To P0441 >> DTC Troubleshooting >> P0401-EGR System Performance >> Possible Causes

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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