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Home >> Jeep >> 2024 >> Grand Cherokee Summit >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 80 (2.0L - DTCS P1239 To P152F) >> DTC Troubleshooting >> P1404-EGR Close Position Performance >> Possible Causes

Possible Causes

WARNING: This page is about a different variant/trim than selected.
Possible Causes
CARBON DEPOSITS IN EGR VALVE
EGR VALVE ASSEMBLY STICKING/DRAGGING
EGR VALVE ASSEMBLY

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

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