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Home >> Jeep >> 2020 >> Compass Trailhawk >> Repair and Diagnosis >> Engine Performance >> System >> 2.4L - DTCS P104D To P0140 >> DTC Troubleshooting >> P0125-Insufficient Coolant Temp For Closed - Loop Fuel Control >> Possible Causes

Possible Causes

Possible Causes
LOW COOLANT LEVEL
ECT SENSOR READING IRRATIONAL
RESTRICTION IN THE RADIATOR/COOLING SYSTEM
THERMOSTAT
ENGINE COOLANT TEMPERATURE (ECT) SENSOR

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

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