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Home >> Chrysler >> 1993 >> Imperial >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Ignition Systems >> Ignition Timing Control System >> Powertrain Control Module (PCM)
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Powertrain Control Module (PCM)

PCM controls ignition system. During a crank/start mode, PCM will set a fixed amount of spark advance for an efficient engine start.