Frankly, it would be easier to help out if you had continued your prior topic and responded to the assistance being offered there. Additionally it would help others that might assist in getting the full background to this story.

Take it back to shop that "fixed it" is my only advice.

Prior topic, for the benefit of other members:

http://www.contour.org/forums/ultimatebb.php?ubb=get_topic;f=3;t=007220


98 Mystique LS v6 atx 110,000km
97 Contour LX v6 atx 125,000km
stock CD on LS, cass on LX
spoiler, tinted windows on LS only
4 wheel discs on LX only
All other available options on both