I don't know anyone else that has a Contour so this isn't an option. What I may do is go and test drive a MTX Contour to see the difference. However, I have owned my Contour for a long time and there is absolutely no way that all the sudden having RPM's hang and actually increase by themselves for that long could be normal. Dangerous-yes normal-no. If it's all about getting rid of exess emmissions in the exhaust system and the O2 sensor guages that, then I think the tranny shop did a bad when they put my exhaust back together. They damaged the O2 sensor in the back or front or something.
