silverbullet -> obd ii code p1176 (1/17/2007 1:51:19 AM)
Ok, check engine light came on...ran scanner P1176 comes up and it states rear o2 sensor correct behind catalyst B1 limit attained....what's causing this? Bad O2?
red96golf -> RE: obd ii code p1176 (1/21/2007 10:46:47 PM)
either that or a combo bad cat causing down stream o2 issue. check and see if your running rich witch could cause o2 problems as well good luck mike