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Trans has been shifting fine with zero issues, was originally changed at around 40k and then 80k. But after I changed it is when it started showing issues.

On the highway doing 75 today, I press the go pedal, about half way to the floor, doesn’t down shift, press a little more, then it jerks hard and down shifts. Seems like maybe a torque converter problem, maybe i didnt get all the old fluid out of the TC?  I'm thinking I need to change the fluid again and make sure the shitty fluid is out. The old fluid color was fine, a little brown but not bad at all. I don’t know, but I'm pissed.

Sounds like the dreaded Honda v6 trans issue is rearing it's ugly head.

Did you use Honda ATF DW1? Also, the trans fluid is due every 30k. Another note is to replace the filter. No one ever replaces, and even Honda/Acura doesn't recommend it. Its an easy fix on the V6 trans. Maybe try changing the fluid and filter. Remember you need to do the trans drain and refill 3 times. This way it cycles all the old fluid out and new fluid in. Make sure after refilling the fluid that you go through each gear with about 5 seconds intervals. Mainly P R N D. 1st and 2nd aren't necessary.

This may or may not remedy the problem, but it doesn't hurt to try. As Z said, 90% of Honda V6 auto trans do not last long.

It hasn't done it again. Yes I did the 3x3 as they say. Now I'm worried when but not if, it's going to go.  ???