Whirring noise coming from under back body

Discussion in '2016 + Toyota Tacoma' started by danrum, Nov 14, 2017.

  1. danrum

    danrum New Member

    Saturday evening, I went out to my garage and realized some kind of whirring noise was coming from under the back end of my 2017 Tacoma 4x4 TRD 4 door with less than 900 miles on it. It sounded like a small electric motor of some type running. I had driven it that morning and had parked it a few hours before I had gone out and heard the noise.

    I could not pinpoint the running sound, however I started the truck and let it run a moment and shut it down. Afterwards it was not making that whirring noise.

    Any ideas? Should I be concerned and get it to my dealer? Was it possible the fuel pump still running for some reason (if it is located in the fuel tank, as I suspect)? Apprehensive and anxious about a possible defect of some kind. Thanks. Danny
     
    MichaelD59 likes this.
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  3. whippersnapper02

    whippersnapper02 Negative Nancy

    Normal EVAP test that happens after a couple of hours after the engine was running. The owner’s manual has a page about it.
     
    Bogunn likes this.
  4. OP
    danrum

    danrum New Member

    Thank you my friend. I will go pull my book out again and look through it. I actually read most every page of it (500+ pages), but will just check this out. It just sort of got to me and I was headed off to work and could do nothing about it right then.
     
    OR17TRD likes this.
  5. OR17TRD

    OR17TRD Well-Known Member

    Congrats on the new taco. Welcome to the forum. Let’s see it :)
     
  6. Bogunn

    Bogunn Well-Known Member

    Welcome to the forum. Here is the info about the Evaporation Leakage Test. Normal sound as whippersnapper02 pointed out. IMG_0344.JPG
     
    OR17TRD and whippersnapper02 like this.

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