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Home >> Jeep >> 2007 >> Liberty Limited, 4WD, Part Time >> Repair and Diagnosis >> Engine Performance >> System >> DTCS P0325 To P0501 - Gas >> P0404-EGR Position Sensor Rationality Open >> Possible Causes
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Possible Causes

Possible Causes 
EXCESSIVE RESISTANCE IN THE (K834) EGR SENSOR SIGNAL CIRCUIT
EXCESSIVE RESISTANCE IN THE (F856) 5 VOLT SUPPLY CIRCUIT
EXCESSIVE RESISTANCE IN THE (K35) EGR SOLENOID CONTROL CIRCUIT
EXCESSIVE RESISTANCE IN THE (K900) SENSOR GROUND CIRCUIT
(Z939) EGR SOLENOID GROUND CIRCUIT OPEN
EGR SOLENOID ASSEMBLY
PCM

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding.

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