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Search is usually my friend, but I'm stumped on this one.
At low RPM and when I come to a stop, there is a wooshing noise from what seems to be upper drivers side of the engine compartment (around the coolant expansion tank). I thought for the longest time that there was a motorcycle a couple of blocks away rolling on the throttle and driving away, but after 6 or so occurrences, realized it was actually coming from my car. Doesn't happen all the time and I'm not overly worried about it, just curious about what the noise is coming from. I will try to get a video.
Yes, but it does not come on all the time. I typically notice it after harder driving and about to come to a stop / immediately after stopped. Heard it again this evening and it only lasts less than a second
It's not the spoiler as I hear it at low speeds when it hasn't been deployed.
I should get video of it, but I've got a really bad habit of not using my phone while driving.
Sounds like it may be your secondary air pump. A pollution control thingie in the lower left of your engine compartment. It typically comes on when you mentioned, just after driving and you come to a light and are idling. Sounds like a vacuum cleaner. Normal.
Sounds like the SAI pump as billyboy mentioned, I cant imagine anything else making noise on bank 1-3 side as there isn't anything moving other than the SAI in that area other than the alternator (which is unlikely).
