Ehh idk I have seen several stock 4runner that have warped rotors and they are driven by soccer moms and people who only use the vehicle for transportation... If you are replacing the brakes why not upgrade them for the same price... You will never have to worry about the brakes again. One and done(pads will still require replacing as they wear out no matter what).
... MAF sensor, so I'll try replacing it
I live in the rust belt, and I've seen worse rust.... That said that's significant for a truck with 45k. If you're serious about keeping it for a long time... Replace that maf, and before you "treat" the rust, paint it with por 15. It works. Clean off the grease, get rid of the loose stuff, the. Just paint on the por 15... Costs a bunch, and it's a royal pain in the ass, but it works! I spray fluid film on mine every fall, and my truck looks so much better than anyone else's up here(rust wise).
45k miles in buffalo and not really ever being washed.
This.If it's an automatic, replace the radiator and flush the coolant and replace with Toyota Red coolant
My stock brakes are fine with my stock size tires. If I drove it like a teenager, I might want bigger brakes.Are you planning on sticking to stock size tires? The stock brakes are quite sufficient for that application. Make sure your rear brakes are in good shape. Radiator might be a good idea since it sat for a while with that same coolant.
I live in the rust belt, and I've seen worse rust.... That said that's significant for a truck with 45k. If you're serious about keeping it for a long time... Replace that maf, and before you "treat" the rust, paint it with por 15. It works. Clean off the grease, get rid of the loose stuff, the. Just paint on the por 15... Costs a bunch, and it's a royal pain in the ass, but it works! I spray fluid film on mine every fall, and my truck looks so much better than anyone else's up here(rust wise).