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Home >> Mitsubishi >> 1987 >> Montero Base, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Deceleration Control System >> Operation >> Deceleration Spark Control >> Cordia & Tredia
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Cordia & Tredia

The deceleration spark control system advances ignition timing by changing carburetor ported intake vacuum to intake manifold vacuum via a solenoid valve. See Figure . Solenoid valve is activated by engine speed sensor in the ECU.