O2 codes coming up with dual exaust
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JK Newbie
Joined: Sep 2009
Posts: 63
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From: Windsor, CT
O2 codes coming up with dual exaust
I have a dual exhaust axle back on my jku and it is always coming up with a couple O2 codes,... 2/1 slow response and rich to lean. Any ideas what I can do to get rid of these I've tried the O2 spacers but it will just throw different codes instead