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Home >> Lexus >> 2007 >> RX 350 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 78 seconds or more: Engine coolant temperature at engine start -8.34°C (17°F) or more
131.3 seconds or more: Engine coolant temperature at engine start -19.45 to -8.34°C (-3 to 17°F)
20 minutes or more: Engine coolant temperature at engine start less than -19.45°C (-3°F)