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abnormal downshifting at highway speeds 850 1994

posted by  60cents on  Mon Oct 23 16:44 CST 2006
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last visit: Fri Feb 20 08:03 CST 2009
[RELATED]

For the second time I've experienced an unusual downshift with my turbo wagon.
While traveling uphill ( I live in the mountains) the tranny downshifted into 3rd gear at about 50 MPH.
After slowing down to around 40 MPH it again downshifted to 2nd and would only upshift when the RPM's reached 4000+
After about 10 0r 15 miles like this, it downshifted to 4th and operated normally for the rest of the trip.
It feels like the transmission mode switch was changed to sport mode from economy.
However, changing the settings on that switch made no difference.
Both times this happened I was driving uphill after having driven to a lower elevation and returning home to a higher elevation.
Could this be a sign of a bad mode switch or a bad tranny solenoid??






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