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Air injection noise in a 2015

Discussion in '2nd Gen. Tacomas (2005-2015)' started by Jeffs68, Oct 31, 2017.

  1. Oct 31, 2017 at 10:25 AM
    #1
    Jeffs68

    #1
    Jeffs68 [OP] Well-Known Member

    Joined:
    Mar 29, 2017
    Member:
    #214741
    Messages:
    303
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    Male
    Vehicle:
    2015 PreRunner TRD Sport DC
    Stock
    Sold my 2010 TRD Prerunner 6 speed, opting to go automatic this time. Picked up a 2015 TRD Sport DC with ~17K on the clock. Runs great, but when I shut down the engine (and I can only assume at this point) the air injection sounds like it's exhausting an air charge, kind of like a compressor relief valve. Lasts about a 1-2 seconds.

    Did a general "air injection" search and found mostly code related issues/failures.

    Normal?
    Not normal?
     
    Jeffs68, Oct 31, 2017
    #1
  2. Oct 31, 2017 at 10:25 AM
    #2
    TacoJova

    #2
    TacoJova Well-Known Member

    Joined:
    Feb 11, 2016
    Member:
    #177914
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    Male
    Central Oregon
    Vehicle:
    21 Ram TRX Sold 2015 White DCSB Offroad
    Supercharger Hybrid audio stage 3 and stage 2 rear with 2 image Dynamics IDQ10's and alpine amps Bilstein 5100 with OME 887 Dakars and Icon 2.0 in the rear URD SPEC U Headers URD Y Pipe Borla muffler 18" Magnaflow Resonator Morimoto fogs
    Normal
     
    TacoJova, Oct 31, 2017
    #2
  3. Oct 31, 2017 at 10:29 AM
    #3
    NAAC3TACO

    #3
    NAAC3TACO Middle aged member

    Joined:
    Aug 5, 2008
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    Just east of crazy, NV
    Vehicle:
    2014 SR5 DCLB 4x4
    Color matched door handles, Weathertech floor liners, bed mat, Durafit seat covers, tailgate clamp, 2016 TRD Sport 17" wheels with Yokohama Geolander AT tires , Toyota exhaust tip, Toyota/Yakima bike rail mount, Toyota wheel locks, Toyota hitch cover, Redline hood struts, unifilter on air pump.
    Yep, normal.
     
    NAAC3TACO, Oct 31, 2017
    #3
  4. Oct 31, 2017 at 10:30 AM
    #4
    DriverSound

    #4
    DriverSound Señor Member

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    Too few to list.
    13-15 air injection pumps will turn on at shut down
     
    DriverSound, Oct 31, 2017
    #4
    Jeffs68[OP] and NAAC3TACO like this.

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