One thing comes to mind from reading the symptoms (and it's not a chip fix by a long shot).
Sounds like you'r fuel pump , altho having enough pressure, dosn't supply enough volume of gas.

One other thing, but you better confirm it with Jerry, it may be you'r TPS on the pedal assembly (not the one in the TB). Try cleaning it with some contact cleaner & see what happens.

Get back here with the results.

"If i can't crawl over it, i'll fly over it"
rubo

'96 Amigo 4x4, 3.2L V6, 4L30E, D44 rear, SOA, 1" BL, undergoing surgery.
'00 Rodeo LS 4x4, 3.2L V6, OME 919 Springs, front cranked to match,1" BL, 265/70x16 Scorion A/T's.