Question about 1994 Oldsmobile Silhouette
Mine did the same thing,it would not shift into overdrive,when it did it kept downshifting. I had to replace the sensor that tells the transmission when to shift and not to. I think it was the shift sensor.
Posted on Jun 28, 2009
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Posted on Jan 02, 2017
Tips for a great answer:
Check the fluid level. You may want to consider having the transmission flushed. (I recommend BG Products flush system.) Properly flushing the trans removes any varnish the may have built up causing erratic behavior.
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