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Home >> Jeep >> 2021 >> Gladiator Mojave, Part Time T/Case Control, Automatic Trans >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> 3.6L (GPEC 5) - DTCS P1055 To P1496 >> DTC Troubleshooting >> P1404-EGR Close Position Performance >> Possible Causes

Possible Causes

Possible Causes
CARBON DEPOSITS IN EGR VALVE
EGR VALVE ASSEMBLY STICKING/DRAGGING
HIGH RESISTANCE IN THE EGR VALVE POSITION SIGNAL CIRCUIT
HIGH RESISTANCE IN THE SENSOR GROUND CIRCUIT
EGR VALVE ASSEMBLY

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

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