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Home >> Saturn >> 2009 >> Sky Red Line, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 2.0L - Introduction >> Description and Operation >> Electronic Ignition System Description >> Engine Control Module (ECM)

Engine Control Module (ECM)

The ECM controls all of the ignition system functions, and constantly corrects the spark timing. The ECM monitors information from various sensor inputs that include the following:

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