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Home >> Subaru >> 1988 >> XT DL >> Repair and Diagnosis >> Engine Performance >> System >> MPFI CEC System >> Operation >> Ignition System
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Ignition System

Ignition system is composed of battery, ignition coil, distributor, spark plugs, knock sensor, MPFI control unit and spark plug wires. A crank angle sensor is built into distributor and detects crank position. Electronic signal is transmitted to control unit. Control unit calculates spark advance angle and determines spark timing signal. Spark timing signal, determined by control unit, is transmitted to power transistor.