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Home >> Lexus >> 2017 >> RC 350 Base, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (2GR-FSE) - Diagnostic Codes (2 Of 5) >> SFI System >> DTC P0125: Insufficient Coolant Temperature for Closed Loop Fuel Control [09/2014 - 11/2017] >> Typical Malfunction Thresholds
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Typical Malfunction Thresholds

Time until actual engine coolant temperature reaches closed loop fuel control enabling temperature 78 seconds: Engine coolant temperature at engine start -13.33°C (8°F) or higher (for 2WD models)
91 seconds: Engine coolant temperature at engine start -13.33°C (8°F) or higher (for AWD models)
131 seconds: Engine coolant temperature at engine start -24.44°C (-11.99°F) or higher, and less than -13.33°C (8°F) (for 2WD models)
154 seconds: Engine coolant temperature at engine start -24.44°C (-11.99°F) or higher, and less than -13.33°C (8°F) (for AWD models)
1200 seconds: Engine coolant temperature at engine start less than -24.44°C (-11.99°F)