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Home >> Volvo >> 2009 >> C30 T-5, Standard >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control Module (ECM) And Quick Test Tank Systems - Specifications, Other >> Engine Control Module (ECM) (B5254T3; 2007-08, B5254T7; 2008-13) >> Description Of Detailed Diagnostic Trouble Code Information Readout >> Description Of Frozen Values >> Engine Speed (Rpm)

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 ± 50 RPM).