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Originally Posted by Tenrocca
Les \Sideshow,
im curious about the O2 sensors. From what I an see the L76 ran 2 sets, pre and post cats? Are they both really needed, especially as I cant see how you would install them after cats IF you have them in side pipes 
Cheers |
I think they are part of the Euro 3 requirements so depends on your engineer. I'm told, but will stand corrected, that the sole post O2 function is to advise when the cats are stuffed and require replacement.
You can turn off the rear o2's in the tune.