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Home >> Volvo >> 2009 >> V70 >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Differential Electronic Module (DEM), Driver Information Module (Dim), Engine And Engine Control Module (ECM) - Design And Function >> Engine Control Module (ECM) (B6324S2; 2010) >> Misfire Diagnostic >> Diagnostic Trouble Code (DTC) Management
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Diagnostic Trouble Code (DTC) Management

Diagnostic trouble codes (DTC) for misfiring will light the malfunction indicator lamp (MIL).

The engine control module (ECM) determines how much the engine is misfiring by counting the number of misfires during a certain number of engine revolutions.

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