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Home >> Lexus >> 2012 >> IS 250 Base, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostic Codes (P0010-P0175)) >> SFI System >> DTC P0125: Insufficient Coolant Temperature for Closed Loop Fuel Control >> Typical Malfunction Thresholds

Typical Malfunction Thresholds

Time until actual engine coolant temperature reaches closed-loop fuel control enabling temperature 84 seconds: Engine coolant temperature at engine start is (closed-loop engine coolant temperature - 8.33°C [46.994°F]) or more
164 seconds: Engine coolant temperature at engine start is (closed-loop engine coolant temperature - 19.44°C [66.922°F]) or more, and less than (closed-loop engine coolant temperature - 8.33°C [46.994°F])
1200 seconds: Engine coolant temperature at engine start is less than (closed-loop engine coolant temperature - 19.44°C [66.992°F])