My 92 80 series land cruiser when I accelerate shortly after starting the vehicle (still warming up), I'll hit like a wall on the pedal and even when I increase pressure there's more resistance but the RPMs and speed don't change... Until eventually it revs up a ton and then the transmission won't change gears unless I really ham on it and then the rest of the drive the transmission behaves poorly. When I give it time to warm up, it doesn't do this. Also putting Lucas transmission fix helped a ton but not entirely. I've already had a shop flush the system and change the pan filter, which helped for a little bit and then stopped helping. Wondering if I need to have solenoids replaced, look at TPS or shift sensor, or just accept that my trans is on its way to the grave?