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Sticky Pedal/TB, only when runing

This is a discussion on Sticky Pedal/TB, only when runing within the Firebird / WS6 forums, part of the Vehicle Specific category; I just swapped my TB for a PP one. When the car is running the pedal/tb is very sticky when ...

  1. #1
    NY Representative Vertiviper's Avatar
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    99 Trans Am, M6

    Sticky Pedal/TB, only when runing

    I just swapped my TB for a PP one. When the car is running the pedal/tb is very sticky when it first opens. When the car is off it feels fine.

    Anyone have any ideas?

    Thanks

  2. #2
    Moderator Cutlass's Avatar
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    1999 Formula WS6 M6-sold
    2001 Silverado Z71

    I had to remove my TB, loosen the idle stop screw all the way out, and then loosen the 2 screws that hold the TB blade to the shaft. Open and close the TB a few times. That'll recenter the blade. Tighten up the 2 screws that hold the blade to the shaft and recheck to make sure TB doesn't stick. Then readjust the idle stop screw back to where it was and reinstall the TB.

  3. #3
    NY Representative Vertiviper's Avatar
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    Quote Originally Posted by Cutlass View Post
    I had to remove my TB, loosen the idle stop screw all the way out, and then loosen the 2 screws that hold the TB blade to the shaft. Open and close the TB a few times. That'll recenter the blade. Tighten up the 2 screws that hold the blade to the shaft and recheck to make sure TB doesn't stick. Then readjust the idle stop screw back to where it was and reinstall the TB.
    I tried that, no dice unfortunately.

    The fact that this only happens when the car is runing I think leads me to believe that either the hole needs to be a little bigger (i only have bolt ons), or when the blade is closed, the seal is too tight. Comparing my stock vs my PP TB, the PP TB has a much tighter seal around the edges.

    I even tried using the old blade on the PP TB..no luck.

  4. #4
    Senior Member bills98ta's Avatar
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    Turn in the idle screw some. Don't let the blade close completely, or it will stick.

  5. #5
    Smiles for 9.5 Years cammed goat's Avatar
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    Correct me if I am wrong, but aren't the throttle blades on a slight slant? I replaced a water pump on an 04 Suburban and I looked at the throttlebody while the intake elbow was off and noticed it looked like it was slanted a lil bit.

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    Senior Member tatertot91's Avatar
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    mine used to stick because of vaccum when the engine was running, i adjusted the blade a little and the idle screw and it solved my problem.

  7. #7
    NY Representative Vertiviper's Avatar
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    Quote Originally Posted by bills98ta View Post
    Turn in the idle screw some. Don't let the blade close completely, or it will stick.
    nvm...i answered my own question...i'll try the idle screw tommorow
    Last edited by Vertiviper; 05-30-2010 at 06:48 PM.

  8. #8
    Senior Member tatertot91's Avatar
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    Quote Originally Posted by Vertiviper View Post
    Ridiculously stupid question.......are u sitting down?

    Where is the idle screw?
    You have to take the TB out in most cases. It's what stops the TB from spinning backwards. Like the opposite of the bumpstop. i know someone can word it better.

  9. #9
    NY Representative Vertiviper's Avatar
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    Quote Originally Posted by tatertot91 View Post
    You have to take the TB out in most cases. It's what stops the TB from spinning backwards. Like the opposite of the bumpstop. i know someone can word it better.
    lol...i figured out what you were talking about, I just didnt know the correct word for it. It's, when the blade is closed, the little nub that the arm rests on:


    Funny thing, my cousins idle's too high, mine is actually a little low..

  10. #10
    NY Representative basballny2's Avatar
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    I think this is it!!!!!

  11. #11
    Senior Member tatertot91's Avatar
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    Quote Originally Posted by Vertiviper View Post
    It's, when the blade is closed, the little nub that the arm rests on
    Funny thing, my cousins idle's too high, mine is actually a little low..
    Thats it, it's a pain getting to it on the car

  12. #12
    NY Representative basballny2's Avatar
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    see, now mine is idling high, and when im driving and put the cluth in it revs up to 3k rpm until i shift into a new gear and does the same if im driving and put the car in neutral......think its my idle screw also?

  13. #13
    Senior Member tatertot91's Avatar
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    Sunset Orange Metalic
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    Quote Originally Posted by basballny2 View Post
    see, now mine is idling high, and when im driving and put the cluth in it revs up to 3k rpm until i shift into a new gear and does the same if im driving and put the car in neutral......think its my idle screw also?
    Does the pedal stick at all? It could be. You could check the voltage at the TPS at idle, its supposed to be within a certain range, not sire what it is exactly at the moment. If it's off it could give you problems

  14. #14
    NY Representative Vertiviper's Avatar
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    Quote Originally Posted by tatertot91 View Post
    Thats it, it's a pain getting to it on the car
    Yea..I need like an L shaped Torx...or use a really small fine toothed plier..

    I believe this is another excuse to go buy some new specialty tools. FTMFW!

    Cuz,...this is def it.

  15. #15
    NY Representative basballny2's Avatar
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    Quote Originally Posted by tatertot91 View Post
    Does the pedal stick at all? It could be. You could check the voltage at the TPS at idle, its supposed to be within a certain range, not sire what it is exactly at the moment. If it's off it could give you problems
    pedal is not sticking, although this would make sense because the car was constantly surging even when i wasnt gasing it..... i didnt touch the gas once for 2 exits and gained 10 mph.....its weird

  16. #16
    Senior Member tatertot91's Avatar
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    Sunset Orange Metalic
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    Quote Originally Posted by basballny2 View Post
    pedal is not sticking, although this would make sense because the car was constantly surging even when i wasnt gasing it..... i didnt touch the gas once for 2 exits and gained 10 mph.....its weird
    Does it idle high?

  17. #17
    NY Representative Vertiviper's Avatar
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    Quote Originally Posted by basballny2 View Post
    pedal is not sticking, although this would make sense because the car was constantly surging even when i wasnt gasing it..... i didnt touch the gas once for 2 exits and gained 10 mph.....its weird
    We've clearly created a perpetual motion machine!!!

  18. #18
    NY Representative basballny2's Avatar
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    Quote Originally Posted by tatertot91 View Post
    Does it idle high?
    at first with the butterfly it came with it was idling at around 3k RPMS, looked and saw the butterfly had a larger hole and switched the butterfly to the stock one with the smaller hole but its still idling around 12-1500

  19. #19
    Senior Member tatertot91's Avatar
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    Quote Originally Posted by basballny2 View Post
    at first with the butterfly it came with it was idling at around 3k RPMS, looked and saw the butterfly had a larger hole and switched the butterfly to the stock one with the smaller hole but its still idling around 12-1500
    I think your idle screw is set too high, back it up a bit and see if it doesn't solve your problem.

  20. #20
    Senior Member bills98ta's Avatar
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    I had one with a hole to large & got a rubber wire grommet to stick in the hole. If you try this, make sure it fits tight, so it doesn't suck into the motor ! LOL !!!

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