I am getting two 6 second beeps once a minute when idling. I have checked all of the fluids (including the lower unit oil) and they are topped off. Oil pressure and temperature are both good. If I rev the engine to about 2000 rpm in neutral the beeping stops for about 5 minutes, then comes back again eventually. When it happens at 2000 rpm, then engine begins to sputter a bit, but doesn't stall. Does this sound like an IAC issue? What else could it be?
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