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Volvo Engine Code MID 128 PID 103 FMI 1
MID 128 PID 103 Turbo Speed Type of fault: FMI 1 FMI Description: • Data valid but below normal operational range Fault Condition: • Turbocharger speed is at least 25% less than the target wheel speed for the measured boost Possible Symptoms: • Engine derate • Malfunction indicator lamp illuminated Possible Cause: • Miss detection • Faulty Turbo Speed Sensor harness • Faulty Turbo Speed Sensor connector • Turbo Speed Sensor failure