Toyota FJ Cruiser P0125: Insufficient Coolant Temp for Closed Loop Fuel Control
P0125 is a generic OBD-II code. If your Toyota FJ Cruiser has registered it, means that the ECM/PCM is getting a signal from the engine coolant temperature sensor (ECT) that the engine is not warm enough to enter closed loop fuel control. P0125 is usually caused by a bad thermostat, low coolant, or a bad … Read more