CEL: o2 sensor going on and off, what gives?
My CEL came one and I took it to my mechanic to hook up his scanner. It came out as being the o2 sensor. He reset the ECU and called it a day and told me to bring it back if it came on. Well, yesterday we had HUGE storms and all streets were pretty flooded with 2ft of water everywhere. I did have to traverse some of it to get home and here and there, so, the CEL came on and off. Sometimes it would come out, I would hit some water, light went off. My catalytic converter was changed about 2 weeks ago due to it being clogged. This was a cheapo muffler shop new cat, so I think that might of affected it. Anyone have any info?
1997 ZJ Limited 4.0 H.O.