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Buzz/hum under truck- please advise!

Discussion in '2nd Gen. Tacomas (2005-2015)' started by NMTrailRider, Mar 13, 2018.

  1. Mar 13, 2018 at 6:21 PM
    #21
    cory02taco

    cory02taco Well-Known Member

    Joined:
    Jan 19, 2012
    Member:
    #71007
    Messages:
    1,957
    Gender:
    Male
    First Name:
    Cory
    Maine
    Vehicle:
    2013 trd super sport
    Fun fact, if you have a supercharger the coolant pump piggybacks this circuit, so every once in a while while the truck is doing this emissions check, the coolant pump will cycle also.
     
  2. Mar 13, 2018 at 6:48 PM
    #22
    mtmudrunner

    mtmudrunner Well-Known Member

    Joined:
    Jan 15, 2018
    Member:
    #241318
    Messages:
    464
    Gender:
    Male
    First Name:
    Wes
    Tomcreek corner, MT
    Vehicle:
    1985 Toyota 4x4 p/u
    Rust
    I haven't heard my 13 Tacoma do this yet but the wife's 16 tundra does, Toyota service department said it's some emissions crap :notsure:
     

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