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Home >> Toyota >> 2012 >> Prius Two >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Except Plug-In) (Diagnostic Codes (P0010-P043F)) >> SFI System >> DTC P0125: Insufficient Coolant Temperature for Closed Loop Fuel Control >> Typical Malfunction Thresholds
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Typical Malfunction Thresholds

Time until actual engine coolant temperature reaches closed-loop fuel control enabling temperature 85 seconds: Engine coolant temperature at engine start -3.33°C (26°F) or more
164 seconds: Engine coolant temperature at engine start -14.44 (6°F) or more, and less than -3.33°C (26°F)
1200 seconds: Engine coolant temperature at engine start less than -14.44°C (6°F)