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Home >> Subaru >> 2013 >> Legacy Premium, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 37 (Engine Controls (Diagnostics) (H4DOTC)) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P0125 Insufficient Coolant Temperature For Closed Loop Fuel Control >> Diagnostic Procedure

Diagnostic Procedure

WARNING: This page is about a different car, the 2013 Subaru Forester. However, it is still accessible from the selected car via links, so may be relevant.
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 ENGINE COOLANT . >
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 . >
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