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Thread: Weird noise coming from back of motor

  1. #1
    Mitsu booster
    Join Date
    Jul 2016
    Location
    tacoma WA
    Posts
    16

    Weird noise coming from back of motor

    Been chasing a breaking up issue and rich afr problem for a long time now. I somewhat got somewhere on the afr portion by replacing the map which brought me from 10afr to 13-14 afr (mostly 13ish unless cold start). After changing the map I started hearing this weird noise. Now the only place im hearing it from predominantly is from the exhaust side of the motor. It doesnt really sound like an exhaust leak and the turbo doesnt have bad shaft play. Hopefully someone had experienced this before so I can pinpoint this and get it back on the road .

    thanks.

    Video-- https://youtu.be/uq0oHQrwmx4

  2. #2
    turbo addict
    Join Date
    Dec 2005
    Location
    Lincoln, Nebraska
    Posts
    2,567

    Re: Weird noise coming from back of motor

    That sounds like an exhaust leak.
    “If the people of the nation understood our banking and monetary system, I believe there would be a revolution before tomorrow morning.” -Henry Ford

  3. #3
    Mitsu booster
    Join Date
    Jul 2016
    Location
    tacoma WA
    Posts
    16

    Re: Weird noise coming from back of motor

    Quote Originally Posted by 86Shelby View Post
    That sounds like an exhaust leak.
    Thanks but found out turbo is blown

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