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93 90CS Auto transmission problem
A while back I posted about a problem I was having with my transmission
shifting. The initial problem was with the upshift.
This problem was resolved with new synthetic transmission fluid
(Mobil-1 Dexron-III). Since, that problem has been fixed I have a new
problem. When the car shifts out of the overdrive/lock-up 4th gear to
3rd. The engine will stall. When the car is cold, it doen't do this.
As the car warms, I can see that each time it downshifts, the rpm drops
lower and lower (900 at idle, 750-800 cold downshift). Applying the
brakes, during this downshift, accelerates the stalling. My current
work around is to shift from 4->3 when I am slowing. I do this before
the car reaches the downshift point, which is normally around 45 mph.
I just recently had the fuel injector recall, the driver's side
cat-convertor replaced (recall) and both oxygen sensors replaced. I
had hoped the Oxygen sensor was contributing to the problem, but it
didn't have any impact on the problem.
Any ideas would be appreciated.
93 90CS 99K-miles
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