Originally Posted by GGreek5
I had a code, not the exact one, its listed in the maint section of the forum, replaced all 4 02 sensors, and the Ses light is still on. Car isnt driving any different though. There isnt really a way to check which one is faulty. How long have you been running the downpipes for?
Why can't you monitor it on the BT to see if one is putting out bad data?