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Home >> Lexus >> 2006 >> RX 400h AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control System (3MZ-FE) >> SFI System >> DTC P0125 Insufficient Coolant Temperature for Closed Loop Fuel Control >> Monitor Strategy
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Monitor Strategy

MONITOR STRATEGY CHART

Related DTCs P0125: Insufficient engine coolant temperature for closed-loop fuel control
Required Sensors/Components (Main) Thermostat, cooling system
Required Sensors/Components (Related) Engine coolant temperature sensor and mass air flow meter
Frequency of Operation Once per driving cycle
Duration 2 minutes: Closed-loop enable temperature - 8.34°C (15°F) or more
5 minutes: Closed-loop enable temperature - 19.45 to 8.34°C (35 to 15°F)
20 minutes: Less than closed-loop enable temperature - 19.45°C (35°F)
MIL Operation 2 driving cycles
Sequence of Operation None
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