Originally Posted by SYZ
dude, just leave it. It's not worth pulling the header off IMO.
you might end up damaging the sensor trying to get it out as well, costing you more time and $$$
yeah my dad said he can prolly get it off with his channlelocks or what ever he called them hes a machanic. he cant beleive i put the header on my self but cant get the o2 sensor back out lol i must have tightened it to tight and that low one is a pain while its on the car to do anything with...