Fuel temperature sensor: function and failure symptoms
A fuel temperature sensor is a critical vehicle\’s fuel system component that measures the temperature of the fuel and sends this data to the electronic control module (ECM). The sensor is typically located in the fuel rail or fuel line and consists of a resistance temperature detector (RTD) that changes its resistance based on the fuel\’s temperature. The ECM uses this information to adjust the fuel-to-air ratio, timing, and other engine parameters to optimize performance and fuel efficiency.
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