Volvo Engine D13F Fault Code: SID 4 FMI 7 Injector #4

Volvo Engine D13F Fault Code: SID 4 FMI 7 Injector #4

CONTROL UNIT:
Engine ECU

DETECTION CONDITIONS:
The engine control unit (E-ECU) registers cylinder balancing data out of limit.

SYMPTOM:
1. Uneven engine running at idle speed.
2. Injector in question is shut off.

POSSIBLE CAUSES:
1. Defect injector.
2. Bad compression.
3. Leakage between injector sleeve and cylinder head.
4. Leakage between injector sleeve and injector.

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