Volvo Engine Code MID 128 SID 21 FMI 3

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Volvo Engine Code MID 128 SID 21 FMI 3

MID 128 SID 21 Engine Position Timing Sensor Type of fault: FMI 3 FMI Description: • Voltage above normal, or shorted to high source Fault Condition: • Missing Signal from Engine Position Timing Sensor • Open in the Engine Position Timing Sensor Circuit • Short to battery in the Engine Position Timing Sensor Circuit • Short to ground in the Engine Position Timing Sensor Circuit Possible Symptoms: • Increased engine start time • Loss of engine power Possible Cause: • Faulty Engine Position Timing Sensor harness