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O2 sensor on header?

 
Old Aug 22, 2002
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O2 sensor on header?

I searched and i found that the o2 sensor is on the air intake and after the cat. I was wondering if the EX has a sensor that plugs into the top portion of the Header on a 2002? HP racing has a hole in the header that looks like it is for a sensor. See the link 4-2-1race at the bottom
Old Aug 23, 2002
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There isn't a sensor on the top part but there is a sensor right after the top part in the down pipe. Thats probably what that hole is for.
Old Aug 23, 2002
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accually on the full header there is 2 sensors on the header. top and bottom. i got my headers and my exaust and catback on at the same time so the person who installed it put the 1st sensor on the lower half and the 2nd sensor befor my high flow cat
 
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