Quote:
Originally Posted by nitebluesky
here is a picture of the EG DX sedan exhaust manifold and downpipe with the o2 sensor.
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I just bought one that style for my HX. Right now I have a 99-00 Civic EX exhaust manifold and downpipe, which looks much like an aftermarket 4-2-1 header. The primary O2 is located behind the engine way down by the cat. Research suggests that the longer "delay" from moving the O2 sensor can cause issues. My car runs fine except when it tries to enter lean burn, then it hesitates and kicks back out.