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 and Inspection Mode. Refer to OPERATION and PROCEDURE .

DIAGNOSTIC PROCEDURE

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 REPLACEMENT .
3 CHECK THERMOSTAT.	Does the thermostat remain opened?	Replace the thermostat. Refer to THERMOSTAT .	Replace the engine coolant temperature sensor. Refer to ENGINE COOLANT TEMPERATURE SENSOR .