4.8L cos3 w/ 4l60e in Toyota. having trans pressure issues via the tune

[stroker97k1500]

I happened to come back across this post from a while back. The whole issue was the new trans pump assembly didnt have the correct spring in it. once that was fixed everything worked as it should. Thank you for all the willingness to help.

[joecar]

Thanks for posting back.

~Moderator~