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Volvo Engine Code MID 128 SID 21 FMI 8
MID 128 SID 21 Engine Position Timing Sensor Type of fault: FMI 8 FMI Description: • Abnormal frequency, pulse width or period Fault Condition: • Noisy Signal from Engine Position Timing Sensor • Open 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 • Faulty Engine Position Timing Sensor mounting