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Old 05-15-2017, 10:56 PM   #1
artongdou
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Buzzing Sound when engine is off

Has anyone heard some kind of buzzing sound from the back of the car when sitting in the garage? It happens kind of randomly to me. It's not right after drive. It's long after parked. The sound doesn't go away until I restart the car and turn off. This happened twice already after three months of ownership.

Curious if anyone else has seen this before.
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Old 05-15-2017, 11:42 PM   #2
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Pull out your Owner's Manual, and flip allllllllll the way to... Page 16.
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Old 05-16-2017, 12:31 AM   #3
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Originally Posted by Stang70Fastback View Post
Pull out your Owner's Manual, and flip allllllllll the way to... Page 16.
to be fair, there is another similar noise I heard in my '17 for a while that wasn't related to that fact in the manual.
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Old 05-16-2017, 12:36 AM   #4
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Pull out your Owner's Manual, and flip allllllllll the way to... Page 16.
Oh please tell us.

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Old 05-16-2017, 12:48 AM   #5
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Quote:
Originally Posted by artongdou View Post
Has anyone heard some kind of buzzing sound from the back of the car when sitting in the garage? It happens kind of randomly to me. It's not right after drive. It's long after parked. The sound doesn't go away until I restart the car and turn off. This happened twice already after three months of ownership.

Curious if anyone else has seen this before.
Do you start it up and then hear this noise or do you hear it with the car already off for, say, 5 hours?
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Old 05-16-2017, 05:53 PM   #6
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Originally Posted by artongdou View Post
It happens kind of randomly to me.
It shouldn't be random. It should be approximately five hours after you drive it.
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Old 05-16-2017, 09:16 PM   #7
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NONONO. I hear it with the car already off for a few hours.
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Do you start it up and then hear this noise or do you hear it with the car already off for, say, 5 hours?
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Old 05-16-2017, 10:25 PM   #8
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You might be right. I don't know if it is just a few minutes.
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Pull out your Owner's Manual, and flip allllllllll the way to... Page 16.
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Old 05-17-2017, 08:05 PM   #9
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Okay, I'll let you off the hook. What you're hearing is 100% NORMAL. Five hours after you shut off the vehicle, the emissions system runs an evap leak check on the fuel system. The little vacuum pump under there makes a buzzing sound when it runs.

There is a paragraph in the manual that explains this, but it's easy to miss.
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