My be a silly question but I notice that they said new cars come with a air fuel sensor but, does the Scion xB also have two O2 sensors ,
or just one at the end of the exhaust, and the front is the air fuel sensor?



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Scion xB 2008, 2.4 auto

 

You have your Primary O2 which is the air and fuel on the manifold which controls the mixture,then you have another one before the cat least that's what I have on my tC which is a 2.4 liter.

But yea has 2 sensors..all cars come with more then one O2 sensor depending on the motor size.