Coolant Temp Sensor Switch - Four Seasons 37896

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[] The coolant temperature sensor monitors engine coolant temperature and sends that reading to the ECM, which uses it to adjust fuel delivery, ignition timing, and cooling fan ope ration. 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. Four Seasons is the leading manufacturer of automotive air conditioning components, offering compressors, condensers, evaporators, and complete A/C systems. Known for comprehensive coverage, quality construction, and reliable cooling performance, Four Seasons is the professional's choice for climate control repairs. Show more