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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.