Water temperature sensor | T409471

The coolant or water temperature sensor T409471 is used to measure the temperature of the engine coolant, which can then be fed back to the ECU, to adjust the timing and fuel ignition. Helping to ensure more fuel is supplied when the engine is cold or less when the engine is warm. Alternatively, some engines may use this to provide a reading for a dashboard readout or as an indicator to switch on an electric fan. Temperature plays a vital role in engine performance calculations; a sensor failure can quickly lead to issues such as: black smoke, poor fuel economy, and overheating. Perkins temperature sensors are carefully selected to they are reliable and durable to give your engine long, productive life.

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