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In-Tank Fuel Pump Noise, Engine Running

Discussion in '5th Gen 4Runners (2010+)' started by Matt83, Aug 14, 2019 at 6:01 AM.

  1. Aug 14, 2019 at 6:01 AM
    #1
    Matt83

    Matt83 [OP] New Member

    Joined:
    Jul 11, 2019
    Member:
    #10511
    Messages:
    18
    Northeast
    Airing down driver rear tire this morning and heard a sound which sounded like an air leak, thought I picked up a nail. Turned engine off and noise was gone. Started truck again and noise came back. Almost sounds like a leak of some sort accompanied with the noise of the pump if I place my ear close to the bottom of the tank/skid plate.

    Hard to place but the hissing/air leak sound seems to be in the vicinity of the top of the fuel tank.

    Went to air back up later on with the engine running and the noise was still present.

    Truck has approx 1700 miles.

    Any ideas?

    Thanks for the help.
     
    Last edited: Aug 14, 2019 at 7:06 AM
  2. Aug 14, 2019 at 9:03 AM
    #2
    Matt83

    Matt83 [OP] New Member

    Joined:
    Jul 11, 2019
    Member:
    #10511
    Messages:
    18
    Northeast
    Just a side note, did some searching on google and looks like it has been noted by some Tacoma owners....
     

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