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Hello my name is ***** ***** I will assist you. When you say it is flashing do you mean it is dropping a bit? Is the oil in the engine two years old or it has been serviced recently?
Since it is a two stroke, what you should take care of is that there is always oil in the tank and that the oil is being consumed on approximately a 50:1 ratio. If that is ok then the problem seems to be either a loose connection of the sensor or a bad sensor itself.