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Home >> Lexus >> 2023 >> LX 600 Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (W/ Canister Pump Module) - Diagnostic Codes (2 Of 9) >> SFI SYSTEM (w/ Canister Pump Module) >> DTC P0125-00: Insufficient Coolant Temperature for Closed Loop Fuel Control [12/2021 - ] >> Typical Malfunction Thresholds
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Typical Malfunction Thresholds

Time until actual engine coolant temperature reaches closed loop fuel control enabling temperature
  • 70 seconds: Engine coolant temperature at engine start is (closed-loop engine coolant temperature - 8.33°C [15°F]) or higher
  • 181 seconds: Engine coolant temperature at engine start is (closed-loop engine coolant temperature - 19.44°C [35°F]) or higher, and less than (closed-loop engine coolant temperature - 8.33°C [15°F])
  • 1200 seconds: Engine coolant temperature at engine start is less than (closed-loop engine coolant temperature - 19.44°C [35°F])