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Volvo Engine Code MID 128 PID 411 FMI 5
MID 128 PID 411 EGR Exhaust Back Pressure Type of fault: FMI 5 FMI Description: • Current below normal or open circuit Fault Condition: • Open in the 5 volt supply line • Short to ground in metering line • Open in the metering line Possible Symptoms: • Engine responds poorly • Engine derate Possible Cause: • Faulty EGR Differential Pressure Sensor connector • Faulty EGR Differential Pressure Sensor harness • Faulty EGR Differential Pressure Sensor