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Home >> BMW >> 2012 >> 335i 2D Convertible, Standard Trans >> Repair and Diagnosis >> Engine Performance >> System >> Self Diagnosis - N55 - Diagnostic Trouble Codes - DTC P0478 (BMW DTC 138101) Through DTC P0440 (BMW DTC 191D01) >> DTC P0302; BMW DTC 140201: Misfire, cylinder 2: injection is cut out >> Fault description

Fault description

The diagnostic function monitors the duration of the combustion strokes and compares them with the remaining cylinders by assessing the RPM signals (segment periods).