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Home >> Mitsubishi >> 1987 >> Starion ESI-R >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> ECI CEC System >> Description & Operation >> Engine Speed Sensor
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Engine Speed Sensor

The engine speed signal is received from ignition coil. Electrical signals from ignition coil are sent to ECU where time between signals is used to calculate engine speed. This information is used by ECU for controlling air/fuel ratio and idle speed.

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