DTC P0125 Insufficient Coolant Temperature For Closed Loop Fuel Control: Notes

DTC DETECTING CONDITION:

Detected when two consecutive driving cycles with fault occur.

TROUBLE SYMPTOM:

Engine does not return to idle.

CAUTION: After servicing or replacing faulty parts, perform Clear Memory Mode <Ref. to OPERATION , Clear Memory Mode.>, and Inspection Mode <Ref. to PROCEDURE , Inspection Mode.>.

Step	Check	Yes	No
1 CHECK ENGINE COOLANT. Check the following items: Amount of engine coolant Engine coolant freeze Contamination of engine coolant	Is the check result OK?	Go to step 2 .	Fill or replace the engine coolant. <Ref. to REPLACEMENT , Engine Coolant.>
2 CHECK THERMOSTAT.	Does the thermostat remain opened?	Replace the thermostat. <Ref. to Thermostat .>	Replace the engine coolant temperature sensor. <Ref. to Engine Coolant Temperature Sensor .>