Im new to the freeze frame readings. I have decent understanding of vehicles tho. Im self taught all the way... but I've learned a lot over the years.
this is step dad's truck. Trying to help him out.

Stft1- Definitely lean.
ltft1- normal.
Stft2- Definitely rich
Ltft2- rIch as well.

As for the map, maf, and load, idk whats normal for 2800rpm @68mph. So.. to know if they off, and if the Fuel trim ratios are showing me where the issue lies. ????

 

Without having any other info, I'd say look at bank 1 intake gasket or other vacuum leak. That's the likeliest source of the problem, as I would suspect the ECM directing more fuel to bank 1 to compensate the extra air, which draws away from bank 2 getting sufficient fuel, leading to lean condition. You can also swap out your upstream bank 1 and bank 2 O2 sensors to further verify there's no O2 issue; with this move, if you do in fact have a vac leak, the readings would remain essentially the same.

 

Okay. Vacuum leak is what I was thinking to. The main thing that seemed to be an obvious issue was the oil filler tube design doesn't allow it to tighten all the way. And it was a clear oil leak happening where it "attaches" to the crankcase. I pulled it off, cleaned it good, the o-ring is good, I put it back on. Hoping that was the cause. But still misfire.
I did leave out a lot. Okay. Initially codes, p0171, p0174 , and p0420. I cleared codes, checked for vacuum leak, seen the filler tube situation.. then did yesterday run. Thats when code p0300 hit. And none others. So far...

 

Okay. Vacuum leak is what I was thinking to. The main thing that seemed to be an obvious issue was the oil filler tube design doesn't allow it to tighten all the way. And it was a clear oil leak happening where it "attaches" to the crankcase. I pulled it off, cleaned it good, the o-ring is good, I put it back on. Hoping that was the cause. But still misfire.
I did leave out a lot. Okay. Initially codes, p0171, p0174 , and p0420. I cleared codes, checked for vacuum leak, seen the filler tube situation.. then did yesterday run. Thats when code p0300 hit. And none others. So far...

 

The oil filler neck would have nothing to do with a misfire. You almost certainly have a vac leak. You may even have an exhaust leak, potentially. If there's a vac leak, you can try conservatively spraying start fluid, or something equally combustible around the top of the engine, maybe focused around the intake manifold, perhaps some vac lines, to see if the rpm's increase. That would indicate a vac leak. A safer method would be to allow some propane gas from a canister to do this. This option is best carried out outdoors, not in an enclosed area like a garage. But these are a couple of methods of pinpointing vac leaks. The exhaust leak could be a potential issue in the sense that air could be leaking in between exhaust at the cylinder head and the upstream O2 sensor. Given the positive pressure of the exhaust, I would not expect this to be the case, but it is a possibility. And those other codes you mentioned are all related to emissions and air/fuel systems. Check for a leak, that's the easiest thing you can do now. It may also be rubber/plastic lines that leak, not just your intake, btw.