IAC valve plus gasket. You didn't advise re v6 so I'm assuming that's what you have.
Back right corner of upper intake manifold, left of power brake booster 2 bolts (actually top is nut on stud) and an electrical connector on right side.
Doesn't hurt to look.
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
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