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Volvo Engine D11L (Tier 4) Fault Code: SID 21 FMI 2 Engine Position

Volvo Engine D11L (Tier 4) Fault Code: SID 21 FMI 2 Engine Position

CONTROL UNIT:
Engine ECU

DETECTION CONDITIONS:
The engine control unit (E-ECU) registers mechanical fault.

SYMPTOM:
Increased fuel consumption.

POSSIBLE CAUSES:
Engine transmission not correct; bad correlation between camshaft and crankshaft.