Relocating the o2 sensor - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

Tkalz · 06-23-2013, 07:26 PM

Getting soon an borla headers and I was thinking if I relocate the rear o2 senso (B1S2) to the rear catted front pipe will it do the job? I think yes but I whant your opinion. Thanx

arghx7 · 06-23-2013, 09:32 PM

What do you mean by "do the job" ?

SloS14 · 06-23-2013, 10:25 PM

I think he is referring to getting rid of the CEL, and yes I would assume any sort of cat would do this.

Tkalz · 06-23-2013, 10:31 PM

Good thanx!

Admiral Ballsy · 06-23-2013, 10:49 PM

Has anyone actually done this? You might cause a different problem - if that cat doesn't light off quickly enough, you'll get a CEL for that too.

If the Subaru code isn't looking for light off timing, it should work fine...but I'd want to hear from someone who's actually done it first before I went to the trouble.

ML · 06-23-2013, 11:13 PM

some ones got to do it first

Kodename47 · 06-24-2013, 03:40 AM

Someone I know of over here has the sensors located around a HFC in the front pipe with a decat'd manifold. No issues so far and it's been on since March.

06-24-2013, 03:40 AM	#7
Kodename47 Senior Member Join Date: Oct 2012 Drives: UK GT86 Location: UK Posts: 3,040 Thanks: 185 Thanked 1,633 Times in 1,113 Posts Mentioned: 156 Post(s) Tagged: 1 Thread(s)	Someone I know of over here has the sensors located around a HFC in the front pipe with a decat'd manifold. No issues so far and it's been on since March. __________________ .: Stealth 86 :. Abbey Motorsport/K47 Tuned Sprintex 210 Supercharger Kodename 47 DJ: Soundcloud / Instagram / Facebook

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06-23-2013, 09:32 PM	#2
arghx7 Senior Member Join Date: Nov 2011 Drives: car Location: cold Posts: 599 Thanks: 72 Thanked 611 Times in 185 Posts Mentioned: 33 Post(s) Tagged: 0 Thread(s)	What do you mean by "do the job" ?

06-23-2013, 10:25 PM	#3
SloS14 Senior Member Join Date: Apr 2013 Drives: 2013 FR-S whiteout Location: United States Posts: 726 Thanks: 381 Thanked 652 Times in 256 Posts Mentioned: 3 Post(s) Tagged: 0 Thread(s)	I think he is referring to getting rid of the CEL, and yes I would assume any sort of cat would do this.

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