georgio440 Member Nov 22, 2007 195 0 17 Walnut Creek, CA Jun 15, 2008 #1 Jun 15, 2008 #1 I was messing with my Xcal 3 and noticed I could turn off the rear O2s. What would be the purpose of doing this? Any benefits?
I was messing with my Xcal 3 and noticed I could turn off the rear O2s. What would be the purpose of doing this? Any benefits?
SaleenGT2001 Well-Known Member Jul 18, 2005 2,811 4 58 Four Oaks NC Jun 15, 2008 #2 Jun 15, 2008 #2 to not throw a code if you had an OR X pipe
2000fordstanggt Member Sep 6, 2005 404 1 16 Westland, MI Jun 16, 2008 #3 Jun 16, 2008 #3 all the rear o2's do is make sure the cat is there/working. the front o2's are what the engine uses to adjust fuel ect..
all the rear o2's do is make sure the cat is there/working. the front o2's are what the engine uses to adjust fuel ect..
georgio440 Member Nov 22, 2007 195 0 17 Walnut Creek, CA Jun 16, 2008 #4 Jun 16, 2008 #4 Hmm, maybe that explains why my CEL came on again after installing the tune. My rear O2s are on. I should probably turn them off, no?
Hmm, maybe that explains why my CEL came on again after installing the tune. My rear O2s are on. I should probably turn them off, no?
SVT32VDOHC waiting for the next hack atta Founding Member Nov 22, 2001 3,501 28 119 Motor City Jun 16, 2008 #5 Jun 16, 2008 #5 I would turn them off. I have an H pipe on my 01 GT motor that's in my notch, and I have a CEL. It has the stock tune, so I should prolly get it tuned.
I would turn them off. I have an H pipe on my 01 GT motor that's in my notch, and I have a CEL. It has the stock tune, so I should prolly get it tuned.
Hardtop68 Founding Member Aug 23, 1999 193 1 16 Wherever they need me Jun 16, 2008 #6 Jun 16, 2008 #6 I have MIL eliminators put on the rear O2s... 2000FORDSTANGGT is right...