Zak is new to the CarBuzz team, working as a freelance content writer. When Zak isn't writing How To articles for CarBuzz he's working as a high school automotive technology instructor. Before ...

Question:I've already done a lot of work to a 2000 3.3-liter Nissan Frontier Crew Cab. It runs bad and has two codes, P0300 and P0400. I spoke to a mechanic who thought I should change the ...