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Home >> Lexus >> 2007 >> RX 400h AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> SFI System >> DTC P0125 Insufficient Coolant Temperature for Closed Loop Fuel Control >> Typical Malfunction Thresholds
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Typical Malfunction Thresholds

TYPICAL MALFUNCTION THRESHOLDS

Time until actual engine coolant temperature reaches closed-loop fuel control enabling temperature 88.011 seconds or more: Engine coolant temperature at engine start - 8.34°C (15°F) or more
138.992 seconds or more: Engine coolant temperature at engine start -19.45 to 8.35°C (15 to 35°F)
20 minutes or more: Engine coolant temperature at engine start less than - 19.4°C (35°F)
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