Originally posted by mcgyvr
just buy a new rear o2 sensor and stop fucking around. no matter what you do with resistors some cars will still have the code come right back.

yeah, but to those with test pipes and gutted cats, you cant just solve the CEL by replacing the sensor...if you wanna continue to run that setup, you gotta eleminate it. true, if you have a fully functioning catalyist system...and ur light is on...yeah, stop messin around and buy another one. but thats not a solution for people who actually CAUSE this problem by bypassing emissions equip.