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The CKP sensor uses the Hall effect principle. CHT sensor The CHT sensor is screwed directly into the cylinder head and measures the temperature of Fuel metering valve The fuel metering valve adjusts the quantity of fuel to the high-pressure pump elements as The fuel metering valve is controlled by the PCM using pulse-width modulation. The fuel metering valve is closed when de-energized. Fuel temperature sensor The fuel temperature sensor is designed as a resistor with a negative temperature The fuel temperature sensor monitors the temperature of the fuel returning to the fuel tank The signal is required by the PCM for making fine adjustments to the fuel injection timing Brake pedal position (BPP) switch and brake light switch
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