FixVault

DTC P0125 Insufficient Coolant Temperature for Closed Loop Fuel Control: Description

WARNING: This page is about a different car, the 2007 Lexus RX 350. However, it is still accessible from the selected car via links, so may be relevant.

Refer to DTC P0115  .

DTC TROUBLE DETECTION CONDITION CHART

DTC No. DTC Detection Condition Trouble Area
P0125 Engine coolant temperature (ECT) does not reach closed-loop enabling temperature for 20 minutes (this period varies with engine start ECT)
  • Cooling system
  • Engine coolant temperature sensor
  • Thermostat