0W-20 Toyota full synthetic... just like the owner's manual recommends. You can use 5W-20 in a pinch.
What engine oil are you folks running?
0w-30 Toyota,Mobil,Castrol etc.
I have my first oil change comming up and not sure what to use.
Please read this whole thread. http://www.toyota-4runner.org/5th-gen-t4rs/109588-oil-change-0w20-wtf.html
There is a good bit of information in there and some myths busted.