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Volvo Engine Code MID 128 SID 1/2/3/4/5/6 FMI 7
MID 128 SID 1/2/3/4/5/6 Unit Injector Type of fault: FMI 7 FMI Description: • Mechanical system not responding Fault Condition: • Cylinder balancing data is above the limit Possible Symptoms: • Erratic engine idle speed Possible Cause: • Clogged fuel injector(s) • Low fuel pressure • Poor Compression • Improper valve adjustment