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How does this happen to a throttle body?

Posted by enriquez2000, Sep 15, 2018

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  1. enriquez2000

    enriquez2000 Proven Member

    1,362
    92
    Joined Oct 5, 2014
    fort collins, Colorado
    Working on a customer car and had a 2k idle and couldnt find any leaks.... pulled throttle body off and see this huge gap... makes sense now.

    Is this a rebuild gone wrong? Ive never seen one come off a car like this... usually carbon build up at best holding it cracked.
     

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    Attached Files:

    My DSM:
    1993 Eagle Talon TSi AWD

    Street Build

    16g   automatic
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  2. Vegas smith

    Vegas smith Proven Member

    2,152
    936
    Joined Dec 2, 2002
    Houston, Texas
    Maybe it's a 2g throttle plate.
     
    My DSM:
    1993 Eagle Talon TSi AWD

    Street Build

    GT30   manual
    1992 Eagle Talon TSi AWD (sold)

    16g   manual
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  3. enriquez2000

    enriquez2000 Proven Member

    1,362
    92
    Joined Oct 5, 2014
    fort collins, Colorado
    On a 1g throttle body? Its a 2g car... never seen a gap like that
     
    My DSM:
    1993 Eagle Talon TSi AWD

    Street Build

    16g   automatic
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  4. Mello

    Mello Proven Member

    686
    118
    Joined Jul 4, 2003
    Albuquerque, New Mexico
    Throttle plate is installed flipped & not in proper orientation. The edge on the throttle plate is not right angle square, it slightly angle for when the plate is in the close position. Fix is removing the plate and flipping it around until angled edge mates up to the TB throat in the close position.
     
    tametalon92 likes this.
  5. enriquez2000

    enriquez2000 Proven Member

    1,362
    92
    Joined Oct 5, 2014
    fort collins, Colorado
    So they point it in backwards and crooked. Ill flip and realign for them. It also has no throttle stop(sensor). That shouldnt matter though I wouldnt think for high idle
     
    My DSM:
    1993 Eagle Talon TSi AWD

    Street Build

    16g   automatic
    Loading...
  6. Mello

    Mello Proven Member

    686
    118
    Joined Jul 4, 2003
    Albuquerque, New Mexico
    You'll need to add something for a throttle stop so the plate doesn't stick when fully closed.
     
  7. enriquez2000

    enriquez2000 Proven Member

    1,362
    92
    Joined Oct 5, 2014
    fort collins, Colorado
    I have old sensors i can put on it for him
     
    My DSM:
    1993 Eagle Talon TSi AWD

    Street Build

    16g   automatic
    Loading...
  8. enriquez2000

    enriquez2000 Proven Member

    1,362
    92
    Joined Oct 5, 2014
    fort collins, Colorado
    Quick question... is the plate flipped or rotated? Any time ive rebuilt I had arrows to reference.. so.e people shouldnt touch these cars
     
    My DSM:
    1993 Eagle Talon TSi AWD

    Street Build

    16g   automatic
    Loading...
  9. Mello

    Mello Proven Member

    686
    118
    Joined Jul 4, 2003
    Albuquerque, New Mexico
    It's hard to say exactly how it's orientated now. could be flipped front to back, rotated 180 degrees, or both. When I'm trying to sort out a "basket case" TB plate I add a mark for a point of reference & test it in different orientation with the screws removed but the hole visually lined up. When you get it correct the plate fits proper, opens & closes & won't stick or bind, & then add the screws. It's easy to tell when its in correctly.
     
  10. enriquez2000

    enriquez2000 Proven Member

    1,362
    92
    Joined Oct 5, 2014
    fort collins, Colorado
    Alrighty... sounds like a good time LOL
     
    My DSM:
    1993 Eagle Talon TSi AWD

    Street Build

    16g   automatic
    Loading...
  11. Mello

    Mello Proven Member

    686
    118
    Joined Jul 4, 2003
    Albuquerque, New Mexico
    This doesn't really take a lot of time & it's easier with the return springs unhooked or removed.
     
  12. enriquez2000

    enriquez2000 Proven Member

    1,362
    92
    Joined Oct 5, 2014
    fort collins, Colorado
    Ya just a pain when not done rightthe 1st time... they put this iac on.... little worried what else is hidden.

    Long story short car came from a guy who got fed up with the shop that was working on it. So far ive had to rewire gauges hooked to headlights and sensors that were hacked into the harness. Thus car is why people say dsm is unreliable.

    I on the other hand have a 93 that I daily 300 miles a week with barely any issues.
     

    Attached Files:

    My DSM:
    1993 Eagle Talon TSi AWD

    Street Build

    16g   automatic
    Loading...
  13. brian9397gsx

    brian9397gsx Proven Member

    1,057
    71
    Joined Apr 28, 2008
    sioux city, Iowa
    I just finished a car for a guy that wouldn't idle below 2k worth a damn. I pulled his tb off and same thing. His buddy rebuilt and ported it and got into where the plate seats and caused it.
     
    My DSM:
    brian9397gsx 1993 Mitsubishi Eclipse GSX

    19.80 @ 35.55 MPH
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  14. enriquez2000

    enriquez2000 Proven Member

    1,362
    92
    Joined Oct 5, 2014
    fort collins, Colorado
    Hopefully its not trashed and just put together wrong. If it is he can track one down I guess
     
    My DSM:
    1993 Eagle Talon TSi AWD

    Street Build

    16g   automatic
    Loading...

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