If the engine temperature is unusually high or low, fault code P2181 will be recorded. The Engine Coolant Temperature sensor (ECT) is responsible for sending the engine temperature information to the Powertrain Control Module. The PCM uses this information to ...
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P0125 Insufficient Coolant Temperature for Closed Loop Fuel Control Fault: What is it?
The engine temperature must be reached within a specified time after starting the vehicle. Engine control units (ECU/PCM/ECM), have a preset value. Engine temperature is crucial for overall vehicle performance. Fuel vaporization is efficient when the temperature of the fuel ...