DTC P0125 Insufficient Coolant Temperature For Closed Loop Fuel Control: Trouble Symptom

Engine does not return to idle.

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

Step	Check	Yes	No
1 CHECK TIRE SIZE.	Is the tire size as specified and the same size as three other wheels?	Go to step 2.	Replace the tire.
2 CHECK ENGINE COOLANT. Check the following items: Amount of engine coolant Engine coolant freeze Contamination of engine coolant	Is the engine coolant normal?	Go to step 3.	Fill or replace the engine coolant. Refer to ENGINE COOLANT REPLACEMENT, Engine Coolant.
3 CHECK THERMOSTAT.	Does the thermostat remain opened?	Replace the thermostat. Refer to THERMOSTAT Thermostat.	Replace the engine coolant temperature sensor. Refer to ENGINE COOLANT TEMPERATURE SENSOR Engine Coolant Temperature Sensor.