Ive read they last about 10years or 100k miles. What say ye?
Also, I know its much discussed but OEM vs Bosh vs other. Does anyone have any real info other than marketing material and butt dynos?
Your pre cat sensors are really the only ones that matter. They report to the ECU to adjust fuel/air mixture. The rears just report if the cats are working.
I can't comment on OEM vs. Bosh
Rears are what would fail you at emissions test time no?
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