This is the second UOA I have run on my 2006 Toyota Tacoma 1GR-FE 4.0L V6 Doublecab.
This UOA was done at 312,445 miles on 12/31/12 with 11,604 miles on oil. One quart make-up oil added. Previous oil change at 300,445 miles was performed on 10/21/12.
I requested a TBN but for some reason it...