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98 z is sluggish

This is a discussion on 98 z is sluggish within the General Help forums, part of the LSx Technical Help Section category; have you check the fuel pressure yet?...

  1. #21
    Senior Member JayTA98's Avatar
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    Dec 2007
    Location
    Orlando, FL
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    3,351

    Mean Black
    1998 Trans Am

    have you check the fuel pressure yet?

  2. #22
    Junior Member johnsonavenue's Avatar
    Join Date
    Mar 2011
    Location
    Kirkland, Wa
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    1

    Black
    2000 Trans Am WS6

    The exact same thing has been happening with my 2000 WS6 over the last 3 weeks. Then over the last week it had progressively been getting even worse.
    Today I was adding a court of oil and thought I heard an air leak. The more I listened the more significant it sounded. It was coming from where the EGR valve"s tube connects to the top of the intake manifold right after the TB.
    I disconnected the tube by just removing the one bolt on the right and there was an O Ring that had somehow partially slipped down on its own.
    That was the culprit. I just repositioned it correctly and bolted it back on. I instantly had all my under 1500 rpm low end torque and HP back.
    I think I'm going to just replace the O ring. It could be a little worn or stretched from the years.

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