ZTP hack not fixing Hyrule Field slowdown.

[Garteal]

Learn how to quote people. People might miss your post if you randomly place it in the quote.

It's definitely a CPU issue. I'd suggest you to begin following the rules. Give us more information: what build are you using? what are your so called 'recommended' settings? Are you running the GC or Wii version of the game?
Post pics and we can help.