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Home >> Porsche >> 1987 >> 924 Automatic >> Repair and Diagnosis >> Engine Performance >> System >> DME Control System >> Operation >> Engine Sensors >> Speed Sensor

Speed Sensor

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The speed sensor is mounted on an adjustable bracket with the reference mark sensor. The speed sensor measures engine speed by counting the teeth on the starter ring gear. The speed sensor sends 2 voltage pulses to the control unit for each tooth that passes.

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