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Home >> Saturn >> 2009 >> Sky Base, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Engine Controls And Fuel - 2.0L - Introduction) >> Description and Operation >> Electronic Ignition System Description >> Engine Control Module (ECM)

Engine Control Module (ECM)

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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: