edwardsirignano
Junior Member
I've just put headers and a exhaust system on my 1997 Honda Civic. The headers came with only 1 spot for a o2 sensor. The car has 2.
[1] Is the second o2 "really needed"?
[2] How can I bypass it to turn the damn check engine light off?
Thanks
[1] Is the second o2 "really needed"?
[2] How can I bypass it to turn the damn check engine light off?
Thanks