Quote:
Originally Posted by antennahead
It's coming from under the engine cover, not sure what is making it. When you turn your car off it continues for a few seconds then dies off. G37s have the same issue.
John
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Sounds like the fuel pump to me. You can tell because when you dog it a bit, and the electrical system is strained, it temporarily lowers in pitch. I've heard fuel pumps in a lot of my cars I've owned, and it sounds almost exactly the same as all of the others. My vote... Fuel pump. Other noises... a bit of interference coming through the stereo system. I've also heard this in other cars that I've owned.