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Home >> Volvo >> 2007 >> S40 Base, 2.4 38, Automatic >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Ignition And Engine Control Systems - Specifications, Other (544 Body) >> Vehicle Communication Information, Engine Control Module (ECM) (B5254T3; 2004-2007) >> Description Of Parameters >> Parameters, Value >> Misfire Counter Emissions Impact
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Misfire Counter Emissions Impact

The engine control module (ECM) calculates the overall total for the number of misfires affecting emissions for all cylinders during a certain number of crankshaft revolutions. The value is also affected by misfires that cause catalytic converter damage.

The value is reset when the ignition is switched off.

Normal value is 0 (= no misfire).

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