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Home >> Jeep >> 2023 >> Grand Cherokee Altitude, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 45 (2.0L - DTCS P04C2 To P0523) >> DTC Troubleshooting >> P04CE Cooled EGR Temperature Sensor Circuit >> Possible Causes

Possible Causes

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Possible Causes
LOW ENGINE COOLANT LEVEL
ENGINE COOLING SYSTEM TEMPERATURE TOO HIGH
LEAK IN THE EGR SYSTEM PLUMBING BETWEEN THE EGR VALVE AND THE EGR COOLER
ENGINE MECHANICAL CONDITION OR VACUUM LEAK/FUEL SYSTEM ISSUE CAUSING A LEAN CONDITION
EGR TEMPERATURE SENSOR

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