Very slow to accelerate from a complete stop

Trailblazers of those years the oil pressure sensor doesn’t really read exact pressure if it’s above a certain point it will read 40 or like 60 and if it gets down to a certain point it will drop to zero. Most of the time it’s a sensor on passenger side of engine on top right above power steering fill. It’s a oil sensors that has screens and controls oil flow and the screens can get clogged or it can just go bad. Or it could just be the oil pressure sensor itself they go out on those engines too. Buy a cheap odb 2 reader and will usually tell you if it’s one of those problems. Or go to like auto part store most of them will check your odb 2 for free.

Okay, I'm going to do that this morning. Do you think that is what is causing the sluggish acceleration? And thank you.

The rpm's gradually increase as you accelerate, if I rev it in neutral it's normal, I have figure out its not shifting into fourth gear but when accelerate on the highway doing about 60 mph it's at 2800 rpm's an when I let off the gas the rpm's drop back down to 1,400 or so (normal)it coasts instead of bogging down an rpm's shooting up, it had a oil change 18 days ago an I checked transmission fluid it was good. The exhaust doesn't sound different but when you sit still at a red light or something and it is just idling it shakes but as soon as you try to accelerate it stops but still no power. I don't have extra cash to put it in the shop we just lost our home in a fire it is my only way to work. I remodel houses so I'm going to have to fix myself. I will post progress on suggestions y'all have and I will take a video in the morning of how it accelerates an runs. Thank you really.