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Home >> Lexus >> 2021 >> RC F Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Diagnostic Codes (2 Of 9) >> SFI System >> DTC P0125: Insufficient Coolant Temperature for Closed Loop Fuel Control [09/2014 - 01/2023] >> Monitor Strategy

Monitor Strategy

Related DTCs P0125: Insufficient engine coolant temperature for closed loop fuel control rationality
Required Sensors/Components (Main) Engine coolant temperature sensor
Thermostat
Cooling system
Required Sensors/Components (Related) -
Frequency of Operation Once per driving cycle
Duration 61 seconds: Engine coolant temperature at engine start is (closed-loop engine coolant temperature - 8.33°C [46.994°F]) or higher
136 seconds: Engine coolant temperature at engine start is (closed-loop engine coolant temperature - 19.44°C [66.992°F]) or higher, 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])
MIL Operation 2 driving cycles
Sequence of Operation None