1993 Buick Lesabre Causing Car Shake Over 65 Mph Had Changed Spark Plugs New

1993 BUICK LESABRE
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ANONYMOUS
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What can be causing my car to shake when I go over 65 mph?
Had changed the spark plugs and a new catalic converter and a
new oxygen senor.

Joan
Feb 2, 2013 at 8:21 PM
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JACOBANDNICKOLAS
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Where do you feel the vibration, in the seat or steering wheel?
Feb 2, 2013 at 10:32 PM
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CUTESTUFF59
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Feel the shaking all over, in the seats and driving.
Feb 3, 2013 at 6:16 PM
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JACOBANDNICKOLAS
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Is the engine misfiring? Has the check engine light come on?
Feb 3, 2013 at 6:19 PM
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CUTESTUFF59
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Recently had a smog check down and the oxygen senor was changed. New
spark plubs and wires replaced. The cadilac converter was replaced. The engine light didn't come on. The engine misfiring I don't know for sure.
Feb 3, 2013 at 6:50 PM
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