Engine Coolant Temperature Sensor - Hella 009107481

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["HELLA OE Certified", "12V - 2-Pin Connector - Bolted - with Seal"] The coolant temperature sensor monitors engine coolant temperature and sends that reading to the ECM, which use s it to adjust fuel delivery, ignition timing, and cooling fan operation. Signs of failure include: a check engine light with a coolant temperature code, the temperature gauge reading incorrectly, the engine running rich or lean, or the cooling fans not activating at the correct temperature. Replace a faulty sensor to restore proper engine management. Hella is a German Tier 1 supplier and global leader in automotive lighting and electronics, providing OE components to major European manufacturers. From headlamps and sensors to HVAC components and electrical systems, Hella delivers innovative German engineering and exceptional quality. Show more