Think I have bad cats

Discussion in 'Engine & Performance' started by 07Fx2, Oct 16, 2012.

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  1. Oct 17, 2012 at 10:54 AM #31
    07Fx2

    07Fx2 Full Access Member

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    I put it back on stock and its still there. The noise isn't there when idling. I give it a little gas like || that much and it's there but it doesn't do it all the time I have to kinda rev it up then try again before it makes the rattle. So something is lose. I do believe I have a miss. So it's time to replace the cops and plugs. It's just not severe yet.
     
  2. Oct 17, 2012 at 10:57 AM #32
    VanoFord

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    can you get a sound bite of the noise you are hearing?

    oh yea, i like how you showed || as your fingers doing "this much" lmao.
     
  3. Oct 17, 2012 at 11:11 AM #33
    07Fx2

    07Fx2 Full Access Member

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    If you listen to the video in the middle you'll hear it.
     
  4. Oct 17, 2012 at 11:12 AM #34
    07Fx2

    07Fx2 Full Access Member

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    Lol yea at least you got what it meant
     
  5. Oct 17, 2012 at 11:17 AM #35
    VanoFord

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    totally didnt even see those and I actually read this whole thread before I initially replied lol.

    it wont let me open those links... i never knew you could upload video to photobucket. thats the only reason i made a youtube acct & a photobucket acct.

    maybe its the settings here at work. i'll try to give it a listen when I get home.
     
  6. Oct 17, 2012 at 11:24 AM #36
    07Fx2

    07Fx2 Full Access Member

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    Alright cool. If you send me a text ill send it to you
     
    Last edited: Oct 17, 2012
  7. Oct 17, 2012 at 11:33 AM #37
    VanoFord

    VanoFord Banned

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    sent, now erase your number before its plastered all over the net lmao
     
  8. Oct 17, 2012 at 11:36 AM #38
    4ctNduction

    4ctNduction Truck of the Century

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    here is his number world !
     
  9. Oct 17, 2012 at 11:47 AM #39
    VanoFord

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    ^^^ LMAO


    has anyone else heard the sound bites in the first post? Adam just sent them to my phone and w/ my headphones on, it does not sound like the "rattle can" cats sound. It almost sounds internal, on the bottom end, but I am not 100% sure of that. Can someone verify? I can forward the same videos to your phone that he sent me...

    when he revs it high it goes away. could this be the 5.4L cam phasers? (i got a 4.6 so dont know those issues)
     
  10. Oct 17, 2012 at 12:13 PM #40
    VanoFord

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    so brainstorming w/ adam, Could someone verify that this sound could be an exhaust leak from the header gasket or somewhere on the exhaust system? Adam says it comes in @ 700 and out at 800 or so, which is pretty damn near how my exhaust leak acts, but I have a HOLE in one of my header pipes.
     
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