Question about 1993 Buick Park Avenue
1993 trasmision pules climing small hills and then down shifts .also will slip out of over drive into drive and sta there. what could it be.
Solution: most likely it will be a stopped up Catalytic Converter, this robs the engine of power and will eventually shut it down (overheating it as well), and the tell tale sign of this is balking or hesitation on the highway when the vehicle is in top gear overdrive running at its lowest r.p.m. and when trying to acceerate quickly (like attempting to execute a pass).
Posted on Apr 22, 2009
This is normal for the transmisson to down shift out of over drive it does this because your engine is running out of power on the up grade. now you shouldnt be alarmed unless it slips out of overdrive on a flat road
Posted on Apr 21, 2009
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Posted on Jan 02, 2017
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