will not go out of 3rd gear

1994 MERCURY SABLE
198,671 MILES
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HRICE9294
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1994 mercury sable - when I am driving. What could it be? Car was sitting for about a year. Then when I started to drive again it would not shift out of 3rd. gear. What would cause this to happen? The car it a 1994 mercury sable.We put a throttle position sensor on it did nothing.
Apr 7, 2012 at 1:34 AM
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ASEMASTER6371
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the valve body may be rusty not allowing the valves to move.
try having the system flushed otherwise it needs to be pulled and overhauled.

Roy
Apr 7, 2012 at 2:04 AM