What are some of the major differences between the two, im trying to decide whether to go with efi or hp, as of right now im pretty set on efi.

However, im really wanting to get rid of my DPF codes pretty quick, so that might influence my purchase

Try this link
http://www.dieselplace.com/forum/showthread.php?t=173678

However, im really wanting to get rid of my DPF codes pretty quick, so that might influence my purchase

FWIW we already have these in our editor.

Also http://mysite.verizon.net/whenn1//HPTvsV2.pdf its not necessarily diesel specific but more feature specific.

Because this is a duplicate thread, I will close this one and discussion can be continued at http://www.dieselplace.com/forum/showthread.php?t=173678

thanks