# 04 GTP Rear 02 delete

**URL:** <https://forums.speedlife.net/t/04-gtp-rear-02-delete/201013>\
**Category:** PittSpeed Automotive\
**Created:** [December 8, 2008, 8:46pm UTC](https://forums.speedlife.net/t/04-gtp-rear-02-delete/201013 "2008-12-08T20:46:33Z")\
**Posts on this page:** 1\
**Showing post:** 29

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**Author:** ![2003\_SSEi](https://avatars.discourse-cdn.com/v4/letter/2/b77776/32.png) [@2003\_SSEi](https://forums.speedlife.net/u/2003_SSEi)\
**Post date:** [December 17, 2008, 8:03am UTC](https://forums.speedlife.net/t/04-gtp-rear-02-delete/201013/29 "2008-12-17T08:03:10Z")

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> [@He man: "What's Up?"](https://forums.speedlife.net/t/he-man-whats-up/38967/8):
>
> Thats strange, I have my rear o2’s completely disabled and removed, Cat codes, heater circuits… all disabled via HPTuners… and my emissions tests pass just fine.
> 
> Granted I dont know how much different the E40 PCM on my Ls2 is, but cant be that far off…

its the same. I have HP tuners, and deleted the Rear o2 from the PCM, no problems here. You dont need the Sim from ZZP plus as said before it wont work

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