Where is my throttle
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This is a discussion on Where is my throttle within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; Ok, we'll since I got my wrx about 9 months ago, I've had the need more then a few times ...

  1. #1
    Registered User SDub's Avatar
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    Where is my throttle

    Ok, we'll since I got my wrx about 9 months ago, I've had the need more then a few times to rev the engine while I'm under the hood of the car.

    Usually the throttle is obvious to me, Easy to find. However on my 2010 I cannot seem to find it.

    I have a very feint rattling under minor acceleration, or very little throttle. But not while idle.

    Just trying to find where the rattle is coming from and seeing if I can fix the problem.... If there is any.

    May be a dumb question, but I'm just a weekend mechanic.

    Pics or explanation would be great thanks.

    Sent from my Fone

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  3. #2
    zax
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    Your WRX has an electronic throttle. The throttle is controlled by a motor and it will be immediately following the TMIC.

    I doubt your throttle is rattling. If your throttle were rattling, the car would be surging
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  4. #3
    Registered User SDub's Avatar
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    It's not my throttle rattle. Something is when I give it gas though. But no can depress the gas and put my ear to the engine bay at the same time.

    Sent from my Fone

  5. #4
    Registered User ZXNasty's Avatar
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    Could be a heat shield rattling

  6. #5
    Registered User SDub's Avatar
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    No heat sheild, I have a heat blanket. When I put my dp on, the sheild was a hassle to get off, and I didn't see it being any easier to put back on. So, long story short, deffinatly not my heat sheild.

    Sent from my Fone

  7. #6
    Registered User ZXNasty's Avatar
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    Ah well I tried haha

  8. #7
    Registered User wrxnguyen's Avatar
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    Subd. I need the answer to this as well. Thanks for posting this OP. I might just call the Subaru dealer.

  9. #8
    Moderator rage-wrx's Avatar
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    What exhaust do you have?
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    Ooh,hang on. That is the throb of a turbocharged flat four engine. A sound which,all over the world,heralds the imminent arrival of a moron - JC.

  10. #9
    Pro Manscaper Mikie13's Avatar
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    There are tons more heat shields than just the one around the turbo...
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  11. #10
    \_(ツ)_/ Rambo's Avatar
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    Quote Originally Posted by Mikie13 View Post
    There are tons more heat shields than just the one around the turbo...
    This.

    Just off the top of my head: uppipe shields, several header shields, a few in the catback, etc...
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  12. #11
    Registered User SDub's Avatar
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    I have a TBE. Yes I removed a million sheilds. Replaced them all except 1, over the turbo.... Also, yes it could me the up pipe shield, headers.

    Any that were on my dp, we're obviously removed with the OEM dp and cats.

    I am not Catless, so it's just a metal pipe with not much else to get lose from the turbo back to the exhaust tips.

    Sent from my Fone

  13. #12
    Registered User SDub's Avatar
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    Still trying to find the throttle tho hahaha. So I can figure the rattle out on my own, cause that's how I roll.... But I think zax already answered that.

    Posting a video would help either cause its so feint, I'm sure I'm the only one that can hear it, as I drive my car errday.

    Sent from my Fone

  14. #13
    Registered User Ingo's Avatar
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    get someone else to play with the throttle and listen for it yourself... Can't be that hard, I'm sure you don't live in a vacuum...
    You can't have everything - where would you put it?

  15. #14
    OMG WTF MainFrame's Avatar
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    The throttle is attached to the intake manifold, where the pipe goes in from the intercooler..

    intercooler -> silicon coupler -> throttle body -> intake manifold



    But that's beside the point.. your car is drive by wire, meaning there is not cable going to the throttle body. There are electrical wires running to the throttle body that run an electric motor housed within the throttle body that actuates the butterfly valve.




    You could edit your map to make the idle speed the RPM at which you hear the rattle, and go about finding it that way. Idle speed is super easy to change, and then you can just change it back when you're done.

  16. #15
    OMG WTF MainFrame's Avatar
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    Quote Originally Posted by Ingo View Post
    I'm sure you don't live in a vacuum...

    some of us do..

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