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Home >> Lexus >> 2008 >> IS 250 AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (4GR-FSE) - DTC P0010 - P0159 >> DTC P0125 Insufficient Coolant Temperature for Closed Loop Fuel Control >> Typical Malfunction Thresholds

Typical Malfunction Thresholds

TYPICAL MALFUNCTION THRESHOLDS CHART

Time until actual engine coolant temperature reaches closed-loop fuel control enabling temperature 102.2 seconds or more: Engine coolant temperature at engine start -8.34°C (17°F) or more
182.8 seconds or more: Engine coolant temperature at engine start -19.45 to - 8.34°C (-3 to 17°F)
1,200 seconds or more: Engine coolant temperature at engine start less than - 19.4°C (-3°F)