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How much would it cost to replace transmission sensor and a motor mount?

(1999 Saturn SL2)
in Madison, OH on October 28, 2010
A loud thud happens everytime you shift from park to reverse and Drive to reverse. Engine just replaced. Check engine light on for transmission sensor, high voltage.
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Popular Answer
on October 28, 2010
I would see if for some reason a wire for the transmission got pinched when the engine was replaced. This could cause the code and also the thud from probable excessive transmission pressure due to the wiring issue. Look for the harnesses and follow them from the transmission to the various connectors.
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