Incredibly Slow CodeIgniter Application

[eluser]Diamons[/eluser]
Solved, thank you! This was my first time having any such issue so I had no idea where to begin...but for others having the same issue, I did the following.

I used this code: http://www.3cc.org/blog/2010/09/benchmar...microtime/

I basically did what @TheFuzzyOne recommended and just broke down the site until I found the lines causing the delay. It turns out the script had a poorly written currency converter that would make a request to Google every time.