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Home >> Subaru >> 2017 >> Legacy 2.5i Limited >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 16 (Engine Control System (Diagnostics) (P000A To P015D) (H6DO)) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P0125: Insufficient Coolant Temperature For Closed Loop Fuel Control >> Diagnostic Method

Diagnostic Method

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If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

JUDGMENT VALUE SPECIFICATION

Malfunction Criteria Threshold Value
Engine coolant temperature < -15 °C (5 °F)
Elapsed time after starting the engine (At the time of (The smaller value of either Engine coolant temperature or Intake air temperature at engine start) ≥ -23.3°C (-9.9°F)) ≥ 120 s
or  
(At the time of (The smaller value of either Engine coolant temperature or Intake air temperature at engine start) < -23.3°C (-9.9°F)) ≥ 300 s

Time needed for diagnosis:  Less than 1 second

Malfunction indicator light illumination:  Illuminates when malfunction occurs in 2 continuous driving cycles.