LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2013 >> IS 250C Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 11 (Engine Control System (Diagnostic Codes (P0010-P014F)) >> SFI System >> DTC P0125: Insufficient Coolant Temperature for Closed Loop Fuel Control >> Monitor Strategy
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Monitor Strategy

WARNING: This page is about a different car, the 2013 Lexus IS 350C. However, it is still accessible from the selected car via links, so may be relevant.
Related DTCs P0125: Insufficient engine coolant temperature for closed loop fuel control
Required Sensors/Components (Main) Engine coolant temperature sensor, thermostat, cooling system
Required Sensors/Components (Related) -
Frequency of Operation Once per driving cycle
Duration 72 seconds: Engine coolant temperature at engine start -13.33°C (8.006°F) or more
130 seconds: Engine coolant temperature at engine start -24.44°C (-11.992°F) or more, and less than -13.33°C (8.006°F)
1200 seconds: Engine coolant temperature at engine start less than -24.44°C (-11.992°F)
MIL Operation 2 driving cycles
Sequence of Operation None