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spuddering?????

This is a discussion on spuddering????? within the General Help forums, part of the LSx Technical Help Section category; I just bought a 2000 trans am ws6, the car once in awhile spudder's. But its not all the time. ...

  1. #1
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    1998 firebird formula ws6

    spuddering?????

    I just bought a 2000 trans am ws6, the car once in awhile spudder's. But its not all the time. But the more i drive it and the more it spudders. ANy idea's

  2. #2
    N/A nitrously aspirated stangslayer98's Avatar
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    hard to tell with such a vague description, could be fouled plugs, faulty o2 sensors, injectors

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    Slow'er'Ass Mr. Luos's Avatar
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    Any mods?

    What RPM does the stutter occur?

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    I do know one o2 sensor is bad, my ses light came on, and i had it checked out. I will get the o2 sensor replaced today. I just has exhaust the cats and back, and slp lid, and msd wires, thats all i know of. I just bought the car.

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    the spuddering occurs at different rpms, mainly the lower ones, around 3200 or lower

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    Slow'er'Ass Mr. Luos's Avatar
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    The O2 sensor is most likely the problem.

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    just today the ses light came on. The o2 sesnor is bad. I hope that gets rid of the problem. I will get it changed today or tom.

  8. #8
    Stang Killer TransAmFanatic's Avatar
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    1999 Trans Am

    i got that same problem, it came after i put my headers on. i pulled all my plugs and there wasnt anything wrong with them, so im leaning more towards the o2 sensor.

  9. #9
    Senior Member clg82's Avatar
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    2000 Trans Am

    Does anyone have a pic of where the o2's are actually located. I know there are 2 in front and 2 behind the cat, but i would just like to visually see a reference for when I do mine this weekend.
    2000 Arctic White trans am, ws6 hood, ws6 air box, slp lid, slp smooth bellows, slp loudmouth exhaust,shift kit, rebuilt trans, LS6 intake, 3.73 gears, Shaner S3 p/p throttle body, and a tune . SFC. C6 ZO6 rims 18" in back 17" in front. Drilled and slotted rotors.

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    Dcdrummer LS1buckey's Avatar
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    1999 Pontiac Trans Am

    Just look under the car you can't miss them, if you have stock manafolds the first 2 (upstrem) sensors will be located near the engine in the manafold.

  11. #11
    N/A nitrously aspirated stangslayer98's Avatar
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    one before the cat and one after on each side

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    Not to bad to get to the o2 sensors. i just got one of mine replaced and runs like it should. My ses light went of after 4 starts and has'nt came back on yet.

  13. #13
    Senior Member clg82's Avatar
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    Quote Originally Posted by stangslayer98 View Post
    one before the cat and one after on each side
    is it actually IN the cat or berfore it, i haven't had a chance to look yet.....been too busy working

  14. #14
    2001 ws6 6-speed david_viny's Avatar
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    At least on my car (2001 TA) you can see the first two from the engine bay.

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    the first two are before and the backs are after the cats. I changed them on a 2000 ta.

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    Senior Member clg82's Avatar
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    Quote Originally Posted by Black 98 formula ws6 View Post
    the first two are before and the backs are after the cats. I changed them on a 2000 ta.
    so they are not actually "IN" the cats? what should i add to the threads so they won't seize or should i just not add anything?

  17. #17
    Dcdrummer LS1buckey's Avatar
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    1999 Pontiac Trans Am

    No, they are after not "in" the cats and the new sensors should have anti seize on them already.

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    Yes, the new o2 sensor does anti seize on them already.

  19. #19
    Senior Member clg82's Avatar
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    2000 Trans Am

    Quote Originally Posted by Black 98 formula ws6 View Post
    Yes, the new o2 sensor does anti seize on them already.
    yes they do i wondered what that goopy shit on there was.......are the old ones gonna be hard to remove i wonder they haven't been changed for 105,000 miles on it.

  20. #20
    Dcdrummer LS1buckey's Avatar
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    Just let the car warm up before you try and take them out. Becareful of the hot exhaust.

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