What causes the transmission to down-shift roughly on stopping? on 1998 Honda Accord

Car drives ok. Up-shifts smoothly but jerks when you come to a halt and it shifts into 1st. Mounts are ok. Replaced "lock-up" sensor but problem persists.

by in Atlanta, GA on March 18, 2014
3 answers 4 comments
ANSWER by on March 18, 2014
Mounts are ok? Any engine movement when shifting from reverse to drive and viseversa? Upshift puts a different torque load on mounts as opposed to downshift! Engine will react differently. Have a mechanic test drive it.
COMMENT by on March 18, 2014
The engine and transmission mounts were replaced with genuine Honda mounts. The jerking occurs only when you come to a complete stop, not when it down-shifts while in motion.
COMMENT by on March 18, 2014
Check engine light on? Does it feel like an engine skip or misfire while stopped in gear?
COMMENT by on March 18, 2014
No check engine light. Engine runs smoothly all the time.
COMMENT by on March 18, 2014
See next answer.
ANSWER by on March 18, 2014
What is the idle speed at in park and in drive? Honda ATF in it? Check level with trans warmed up and engine shut off , on LEVEL surface. Next step would be to have trans monitored while test driving. How many miles on it & is it original trans?
ANSWER by on April 05, 2015
My check engine light is on when this happens

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