If speedo is working then cable OK therefore it must be the odometer itself.
Other than pushing trip reset a few times only solution would be speedo head replacement.


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