LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Scion >> 2009 >> tC Automatic >> Repair and Diagnosis >> Engine Performance >> 2AZ-FE Engine Control System >> SFI System >> DTC P0125 Insufficient Coolant Temperature for Closed Loop Fuel Control >> Typical Malfunction Thresholds
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Typical Malfunction Thresholds

TYPICAL MALFUNCTION THRESHOLDS CHART

Time until actual engine coolant temperature reaches closed-loop engine coolant temperature 72 seconds Engine start ECT is -8.33°C (17°F) or more
123 seconds: Engine start ECT is 19.44 to -8.33°C (67 to 17°F)
20 minutes- Engine start ECT is less than 19.44°C (67°F)