1998 Buick Lesabre Car Problem

1998 BUICK LESABRE
62,300 MILES • 6 CYL • FWD • AUTOMATIC
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I have a 98 buick le sabre with 62,300 miles. For about a week now I've been experiencing poor throttle response under normal gradual acceleration from a stop. It also shifts erratically when this happens and vibrates creating a shudder that can be felt through the floorboard when it shifts. Please tell me my transmission isn't going out!
Thank you very much

Yeats
Aug 18, 2009 at 6:47 PM
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JACOBANDNICKOLAS
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Has the check engine light come on? To me it sounds like there may be a problem with the vehicle speed sensor causing it to shift too soon.
Aug 18, 2009 at 11:16 PM
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[quote:12e3ba1c27="Jacobandnickolas"]Has the check engine light come on? To me it sounds like there may be a problem with the vehicle speed sensor causing it to shift too soon.[/quote:12e3ba1c27]

No it has never come on.

Yeats
Aug 19, 2009 at 8:20 AM
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JACOBANDNICKOLAS
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Based on your description, it sounds like there may be an internal problem with the transmission. Actually, it sounds like the clutch plates are slipping.
Aug 19, 2009 at 6:11 PM