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DTC P0125 INSUFFICIENT COOLANT TEMPERATURE FOR CLOSED LOOP FUEL CONTROL

DTC P0125 INSUFFICIENT COOLANT TEMPERATURE FOR CLOSED LOOP FUEL CONTROL

DTC DETECTING CONDITION:


• Two consecutive driving cycles with fault

• GENERAL DESCRIPTION


TROUBLE SYMPTOM:

Engine will not return to idling.

Important

After repair or replacement of faulty parts, conduct Clear Memory Mode and Inspection Mode .


WIRING DIAGRAM:


CHECK ANY OTHER DTC ON DISPLAY.

Is any other DTC displayed?

Yes

• Inspect the relevant DTC using “List of Diagnostic Trouble Code (DTC)”.

•
Note

In this case, it is not necessary to inspect DTC P0125.



No


CHECK ENGINE COOLING SYSTEM.

Note

Check the following items.

• Thermostat open stuck

• Coolant level

• Coolant freeze

• Tire diameter


Is there a fault in engine cooling system?

Yes

Replace the thermostat.


No

Replace the engine coolant temperature sensor.