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Home >> Mazda >> 1987 >> B2600 Base, 2D Pickup >> Repair and Diagnosis >> Engine Performance >> System >> 2.6L Feedback Carburetor System >> Operation >> Input Devices >> Engine Speed Sensor
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Engine Speed Sensor

Engine speed signals are received from negative terminal of ignition coil and sent to FCU. Time between signals is used to calculate engine speed. Engine speed is used by ECU to control air/fuel ratio.