Help on a trans swap next week?

ktraver97ss

I say what everyone thinks
Aug 29, 2007
13,458
142
Roselle, IL
Well it looks like I may have blown almost $2k for no reason. New trans is doing the same thing that the old one was doing, not downshifting and slipping. This leads me to believe it is a computer issue or something. Brought it over to the dealer I do some work for that my buddy works for to have it scanned like I should have done in the beginning. FML Of course, since I removed the Hypertech tune off of it before bringing it in, it deleted the codes it threw earlier today. They did however get a MAF code and a random misfire code while under load. I knew it felt weaker lately, but I just thought it was getting old. I have recently done plugs, wires, fuel filter, and even run some seafoam through it. Any ideas on what my problem could be?
 
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