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I got a lot of experience with the trannie problem. The problem is with it hesitating from a rolling stop, but the main problem I found was when it shifted from 2nd to 3rd, it would rev up and hold it, then slam it into gear very violently. I got the fix a month ago and it runs perfect. The fix was the replacement of 2 ECU's. One for the shifting patterns and the other was for Traction control. According to the dealer, I was the first to get it at that dealership. If you have to ask yourself if you MAY have a problem, then you probably do not have a problem. When I had the problems, I hated my car!
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