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DTC P0125: Insufficient Coolant Temperature for Closed Loop Fuel Control (2005/05-2006/01): Description

WARNING: This page is about a different car, the 2006 Toyota Land Cruiser. However, it is still accessible from the selected car via links, so may be relevant.

Refer to DTC P0115  .

INSUFFICIENT COOLANT TEMPERATURE FOR CLOSED LOOP FUEL CONTROL (2005/05-2006/01)

DTC No. DTC Detection Condition Trouble Area
P0125 Engine coolant temperature hardly changes for 2 minutes after engine start
(2 trip detection logic)
  • Engine Coolant Temperature (ECT) sensor
  • Cooling system
  • Thermostat
P0125 Engine coolant temperature hardly changes for 5 minutes after engine start
(2 trip detection logic)
  • ECT sensor
  • Cooling system
  • Thermostat
P0125 Engine coolant temperature hardly changes for 20 minutes after engine start
(2 trip detection logic)
  • ECT sensor
  • Cooling system
  • Thermostat