Noise heard after shutting off engine

Discussion in 'California' started by Debi, Aug 10, 2015.

  1. Debi

    Debi New Member

    I have a 2015 Tacoma with 250 miles on it. Everytime I turn the engine off (regardless of how long it has been running) there is noise that sounds like a rev up, I don't really know how else to describe it, kind of like pressure building, it lasts a couple of seconds and then stops. I did call the dealer service dept today but there wasn't a tech available and will have to call me back.
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  3. Demo Man

    Demo Man Well-Known Member

    Smog pump. Does the same thing when you first start it up. If you listen you'll here it go off. Kind of a whining sound.
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  4. Michael Mayville

    Michael Mayville New Member

    It was explained to me today that the new model pumps have a release valve to eliminate moisture build up that the earlier models had that would break the blades of the pump. Makes more sense to me now that it has been explained to me. My pump makes a popping noise when I turn off my vehicle. It took a corporate complaint for someone to finally explain to me why my Taco popped everytime I would turn off the engine.
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  5. whippersnapper02

    whippersnapper02 Negative Nancy

    This motor noise?
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  6. trapper tad

    trapper tad Member

    is the wyning noise something to be concerned about? i just got my 2014 a week ago i really love it just didnt no if smog pump was supossed to sound like that?
    Last edited: Mar 16, 2020
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  7. B.C.

    B.C. Well-Known Member

    No worries.
    B-Man likes this.
  8. Jackson Robino

    Jackson Robino New Member

    no worries completely normal (just tell people its a turbo)
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