Originally Posted By Grizzly
Been running my 2001 without a convertor for a few years now. Took a lot of trial and error, but I got around it and have no codes. Didn't cost a cent to do it either.

Gained about 1.5 mpg and doesn't dowshift as much anymore. Total win situation.

When you say a lot of trial and error, to what are you referring? Isnt this just a "replace the rearward 02 sensor with the sim" kinda deal, kinda plug n play?