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Home >> Chevrolet >> 2007 >> Aveo Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> Testing & Diagnosis >> Engine Controls & Fuel - 1.6L - Introduction (2 Of 2) >> Description and OperationEngine Control Module Description >> Engine Control Module DescriptionECM Function >> ECM Default ActionsECM Output Controls
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ECM Default ActionsECM Output Controls

When a malfunction occurs within the engine control system, the engine control module (ECM) maintains control of the system with Default Actions. Default Actions are calculated values, and/or calibrated default values, that are stored within the ECM. A certain level of engine performance is possible when a malfunction occurs dependent on the Default Actions taken. The ECM Default Actions prevent a complete loss of engine performance.

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