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Home >> Subaru >> 2015 >> BRZ Series.Blue, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnostics (1 Of 3) >> DTC P0125 Insufficient Coolant Temperature for Closed Loop Fuel Control >> Circuit description

Circuit description

For a circuit description, refer to CIRCUIT DESCRIPTION  .

DTC DETECTION CONDITION

DTC No. DTC detection condition Suspected parts
P0125 Coolant temperature does not reach to 15°C below the temperature required for closed loop air/fuel ratio control within the specified time (120s) or 300s.
  • Cooling system
  • E.F.I. water temperature sensor
  • Thermostat