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    Coolant Temperature Sensor

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    > Spare Parts - Engine cooling system

    Coolant Temperature Sensor

    The coolant temperature sensor measures the engine’s coolant temperature and sends precise data to the ECU, allowing accurate fuel mixture, ignition timing, and emission control. When functioning correctly, it supports stable idle, smooth acceleration, and efficient thermal management across all driving conditions. A failing sensor may send incorrect temperature readings, leading to hard starting, poor fuel economy, or illumination of the check-engine light. It can also cause overheating or excessive enrichment, which damages catalytic converters. Because modern engine management systems rely heavily on accurate temperature data, replacing a worn sensor is essential for maintaining proper engine performance. Porza supplies high-accuracy sensors engineered for fast response and long-term reliability, ensuring consistent temperature feedback to the ECU.  

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