We can discount the engine; I don't think that's the problem. You could have a transmission problem but I would start with less innocuous things like tires.
Make sure your tires are balanced and not out-of-round.
It could also be a wheel bearing but, I think you should seriously check the driveaxles/CV joints. Certainly, a bad driveaxle/CV joint can cause vibrations; both during acceleration and at highway speeds.
If I were a gambling guy (which I am when it come to roulette) I would bet your driveaxles/CV joints. Let me know if this helps.
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Thursday, December 27th, 2007 AT 8:09 PM