I got a cel 134 today - Upstream HO2S stays at center. Which sensor is this and what do I need to do to fix it? thanks.
its the o2 sensor before your catyletic converter. you can pop your hood and see it, it sticks right out of the downpipe. you need a new upstream o2 sensor to fix it id imagine
-----------------------------------------2011 Nissan Xterra Pro-4x2007 Kawasaki Ninja 650R1996 Mitsubishi Eclipse RS-NX 75 shot, AEM CAI, P&P t/b and intake mani-SOLD1964 Buick Electra 225-all original, all power options, 325hp, 445ft/lbs tq
thanks. I'll check it.