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Thread: 95 buick lesabrae

  1. #1
    Junior Member marine1!'s Avatar
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    Jul 2012
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    95 buick lesabrae

    ? please help i just put new head gaskets on this vehical on start up vehical sound fine however went i pull off to accelerate i feel hesitation i check the vacuum line dont exactly know witch direction to proceed open for suggestions UGH

  2. #2
    Senior Member ncrazyballa's Avatar
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    Nov 2011
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    652
    o2 sensor or air mass sensor?

  3. #3
    Junior Member
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    Jul 2012
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    Florida
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    Try disconnecting the exhaust from the manifold. You may have a clogged convertor.

  4. #4
    Junior Member
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    Jul 2012
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    Florida
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    The converter may be clogged because of the coolant,fuel bypassing because of the headset. It happens all the time. Let me know what happens. It doesn't cost anything to try it. Its just a little loud. And if it drives fine disconnected than replace the cat.

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