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anybody have a clue why when at highway speeds when
kicking down a gear the trans seems to freewheel, like it's
in neutral. it has a new pcm and ford reman trans. i checked all
the wiring from the solenoid pack to the pcm and checked for
proper input to the pcm from the tr sensor. the vss and ckts
have been replaced and ckts check good. i'm out of ideas.
The TR sensor is failing. If you watch it's output when the transmission downshifts you'll see it change for a second just before the transmission goes to neutral.
the reman trans is only a month old.. i have a new tr sensor that
i can try. thanks.. i haven't monitored the sensor when the concern is present only tested it stationary.