Ok so i bought a pacesetter header and replaced the whole exhaust and for some reason the 02 sensors were acting up imediatly and it would mis fire out the ass and on a good week id get 17 mpg... i replaced one and it quit missing while driving.. but it still misses at idle.. should i replace the other one too or is it a diff problem.. im still only getting about 23-25 mpg and tune up less than a year ago
i just checked mine and the o2 sensor with the white plug goes on the left of the headers and the one with the green plug goes on the right of the headers. does that make sense?
I/H/E, B16 mani, delta 272, OBD1....etc
Well does it really matter as long as there connected to the correct plug. It runs perfect till it i go to stop and it sputters like no other!
it might be the idle air cantrol valve (IACV)Originally Posted by stevo89
did you reset your ecu after installing the headers?
I/H/E, B16 mani, delta 272, OBD1....etc
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