DTC P0125-00: Insufficient Coolant Temperature for Closed Loop Fuel Control [10/2024 - ]: Procedure
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- CHECK ANY OTHER DTCS OUTPUT (IN ADDITION DTC P0125-00)
- Read the DTCs.
Powertrain > Engine > Trouble Codes
Result
Result Proceed to P0125-00 and other DTCs are output A P0125-00 is output B HINT:
If any DTCs other than P0125-00 are output, troubleshoot those DTCs first.
Result:
A
GO TO DTC CHART. Refer to DIAGNOSTIC TROUBLE CODE CHART [10/2024 - ]
Result:
B
See step 2
- Read the DTCs.
- INSPECT WATER INLET WITH THERMOSTAT SUB-ASSEMBLY
HINT:
Refer to INSPECTION [10/2022 - ]
Result
Proceed to OK NG Result:
NG
REPLACE WATER INLET WITH THERMOSTAT SUB-ASSEMBLY. Refer to REMOVAL [08/2023 - ]
Result:
OK
See step 3
- CHECK ENGINE COOLING SYSTEM
- Check for defects in the engine cooling system that might cause the system to be too cold, such as abnormal cooling fan operation or any modifications.
HINT:
Perform "Inspection After Repair" after replacing the engine coolant temperature sensor.
Refer to INITIALIZATION [10/2022 - ]
Result
Proceed to OK NG
Result:
OK
REPLACE ENGINE COOLANT TEMPERATURE SENSOR. Refer to REMOVAL [08/2023 - ]
Result:
NG
REPAIR OR REPLACE ENGINE COOLING SYSTEM
- Check for defects in the engine cooling system that might cause the system to be too cold, such as abnormal cooling fan operation or any modifications.