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Home >> Volvo >> 2010 >> V70 R-Design, 3.2 98 >> 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 >> Misfiring
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Misfire Diagnostic: Misfiring

If the fuel / air mix does not completely ignite in the combustion chamber, the engine misfires. The engine control module (ECM) detects the misfire by registering deviations in the rotation of the flywheel.

Deviation in flywheel rotation is due to: 

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