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Home >> Subaru >> 2008 >> Outback i, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Engine (Diagnostics) (H4SO) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P0125 Insufficient Coolant Temperature For Closed Loop Fuel Control >> Trouble Symptom
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DTC P0125 Insufficient Coolant Temperature For Closed Loop Fuel Control: Trouble Symptom

Engine does not return to idle.

CAUTION: After repairing or replacing the defective part, perform the Clear Memory Mode <Ref. to OPERATION , Clear Memory Mode .> and Inspection Mode <Ref. to PROCEDURE , Inspection Mode .>.
DIAGNOSTIC PROCEDURE CHART

Step Check Yes No
1 CHECK TIRE SIZE.  Is the tire size as specified? and the same size as other three 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. <Ref. to REPLACEMENT , Engine Coolant .>
3 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 . >