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Home >> Volvo >> 2009 >> C30 R-Design, Automatic >> Repair and Diagnosis (Single Page) >> Engine Performance >> Engine Control Systems >> Engine Control Module (ECM) - Description Of Frozen Values And Behaviors >> Engine Electrical >> Description Of Frozen Values, Engine Control Module (B5244S4; 2008-2010) >> Engine Speed (Rpm)
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Engine Speed (Rpm)

Measurement range 0-10400 RPM.

The engine control module (ECM) derives the engine speed (RPM) from the engine speed (RPM) sensor signal. The idle speed varies depending on the engine coolant temperature (ECT) (850 ± 50rpm).

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