I have a 2001 civic coupe and just installed a Megan Racing Header, Stainless Steel. There is an O2 sensor on one of the pipes of the header. They told me to make sure to keep the screw on the O2 sensor at all times. So what is meant for this O2 sensor? Why is it there in the first place. Is there something I can hook up to it?
This is what I bought..you can see the O2 sensor on this pic, on third pipe from left to right..
http://cgi.ebay.com/ebaymotors/Megan-Exhaust-Header-Honda-Civic-EX-01-02-03-04-05_W0QQcmdZViewItemQQ_trkparmsZ72Q3a1205Q7c66Q3a2Q7c65Q3a12Q7c39Q3a1Q7c240Q3a1318Q7c301Q3a1Q7c293Q3a1Q7c294Q3a50QQ_trksidZp3286Q2ec0Q2em14QQhashZitem29fd7c52b5QQitemZ180346442421QQptZRaceQ5fCarQ5fParts
Your present sensor in the exhaust will go in that little provision made on the header.
If you keep it disconnected, your car will be down on pwr, and use more gas. Suggest to install brand new O2 sensor with the header...
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