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Volvo Engine Code MID 128 PID 26 FMI 3
MID 128 PID 26 Fan Speed Percent Type of fault: FMI 3 FMI Description: •Voltage above normal or shorted to high Fault Condition: •Missing signal from Fan Speed Sensor •Short Circuit +,Measuring line •Short Circuit -,Measuring line •Open Circuit Measuring line •Open Circuit, Ground line Possible Symptoms: •Higher fuel consumption •Will work as on/off fan,100% fan speed if cooling is needed Possible Cause: •Cooling Fan Speed (CFS) sensor failure •Faulty Cooling Fan Speed (CFS)sensor harness