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Volvo Engine Code MID 128 SID 27 FMI 7
MID 128 SID 27 Variable Geometry Turbocharger Type of fault: FMI 7 FMI Description: • Mechanical system not responding or out of adjustment Fault Condition: • Mechanical problem with the VGT SRA Possible Symptoms: • Low boost and smoke • Possible engine derate • Power loss in some cases when actuator motor has been disabled Possible Cause: • Actuator motor effort is temporarily limited to prevent overheating • Restrictions detected when running learn sequence • SRA is slow to follow commands • SRA position is not tracking command