Thread: Removing rear O2 sensor on 01-newer PCMs -- Things you should know

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Sinister Performance Removing rear O2 sensor on... 10-10-2008, 03:26 AM
SyntheticShield Re: Removing rear O2 sensor... 10-10-2008, 08:52 AM
Reptile Re: Removing rear O2 sensor... 10-10-2008, 09:55 AM
02BlueGT Re: Removing rear O2 sensor... 10-10-2008, 06:53 PM
Sinister Performance Re: Removing rear O2 sensor... 10-10-2008, 08:07 PM
Sinister Performance Re: Removing rear O2 sensor... 10-10-2008, 08:10 PM
Reptile Re: Removing rear O2 sensor... 10-10-2008, 11:03 PM
TheOtherNick Re: Removing rear O2 sensor... 10-10-2008, 11:40 PM
GTP2K1 Re: Removing rear O2 sensor... 10-11-2008, 12:22 PM
Trannyman95 Re: Removing rear O2 sensor... 10-11-2008, 03:08 PM
Sabrewings Re: Removing rear O2 sensor... 10-11-2008, 07:14 PM
Trannyman95 Re: Removing rear O2 sensor... 10-11-2008, 07:47 PM
Sabrewings Re: Removing rear O2 sensor... 10-11-2008, 07:58 PM
Trannyman95 Re: Removing rear O2 sensor... 10-11-2008, 08:22 PM
Sabrewings Re: Removing rear O2 sensor... 10-11-2008, 09:41 PM
TheOtherNick Re: Removing rear O2 sensor... 10-13-2008, 07:13 PM
Sabrewings Re: Removing rear O2 sensor... 10-13-2008, 10:47 PM
Trannyman95 Re: Removing rear O2 sensor... 10-13-2008, 11:01 PM
SyntheticShield Re: Removing rear O2 sensor... 10-13-2008, 11:06 PM
Sabrewings Re: Removing rear O2 sensor... 10-13-2008, 11:26 PM
FoSHO99 Re: Removing rear O2 sensor... 10-14-2008, 09:41 AM
Quicksilver_GP Re: Removing rear O2 sensor... 10-15-2008, 08:49 PM
PilsNer Re: Removing rear O2 sensor... 10-15-2008, 09:04 PM
specialeditiongtp Re: Removing rear O2 sensor... 04-19-2009, 04:56 AM
Sinister Performance Re: Removing rear O2 sensor... 04-20-2009, 12:15 AM
DOHCZ34 Re: Removing rear O2 sensor... 10-21-2008, 01:07 AM
TheOtherNick Re: Removing rear O2 sensor... 10-23-2008, 10:47 PM
DOHCZ34 Re: Removing rear O2 sensor... 10-25-2008, 11:48 AM
TheOtherNick Re: Removing rear O2 sensor... 10-29-2008, 06:19 PM
Sinister Performance Re: Removing rear O2 sensor... 10-30-2008, 04:40 PM
shawn Re: Removing rear O2 sensor... 03-11-2009, 08:39 PM
FoSHO99 Re: Removing rear O2 sensor... 03-11-2009, 09:59 PM
FoSHO99 Re: Removing rear O2 sensor... 03-11-2009, 10:03 PM
Sinister Performance Re: Removing rear O2 sensor... 03-12-2009, 11:28 AM
02BlueGT Re: Removing rear O2 sensor... 04-20-2009, 02:04 AM
specialeditiongtp Re: Removing rear O2 sensor... 04-26-2009, 08:33 AM
Sabrewings Re: Removing rear O2 sensor... 04-26-2009, 02:17 PM
Sinister Performance Re: Removing rear O2 sensor... 04-29-2009, 11:59 PM
Sabrewings Re: Removing rear O2 sensor... 04-30-2009, 12:34 AM
NaturallySmashed Re: Removing rear O2 sensor... 04-30-2009, 04:57 AM
Sinister Performance Re: Removing rear O2 sensor... 05-01-2009, 01:04 PM
Sabrewings Re: Removing rear O2 sensor... 05-01-2009, 01:50 PM
tylerbinski Re: Removing rear O2 sensor... 06-03-2009, 12:18 PM
Sinister Performance Re: Removing rear O2 sensor... 06-04-2009, 02:20 AM
FoSHO99 Re: Removing rear O2 sensor... 12-16-2009, 11:51 PM
Sinister Performance Re: Removing rear O2 sensor... 09-11-2010, 08:59 AM
Vegas_Matt Re: Removing rear O2 sensor... 09-10-2010, 05:24 PM
matt5112 Re: Removing rear O2 sensor... 09-10-2010, 05:29 PM
apierce1289 Re: Removing rear O2 sensor... 04-02-2011, 10:19 PM
Sinister Performance Re: Removing rear O2 sensor... 04-02-2011, 11:20 PM
01gpgt01 Re: Removing rear O2 sensor... 04-02-2011, 11:23 PM
apierce1289 Re: Removing rear O2 sensor... 04-02-2011, 11:43 PM
Sinister Performance Re: Removing rear O2 sensor... 04-04-2011, 02:03 PM
FoSHO99 Re: Removing rear O2 sensor... 04-04-2011, 02:25 PM
Sinister Performance Re: Removing rear O2 sensor... 04-05-2011, 01:28 PM
01gpgt01 Re: Removing rear O2 sensor... 04-03-2011, 07:32 AM
apierce1289 Re: Removing rear O2 sensor... 05-06-2011, 05:27 PM
Sinister Performance Re: Removing rear O2 sensor... 05-08-2011, 10:56 PM
Sinister Performance Re: Removing rear O2 sensor... 08-21-2011, 10:55 PM
Sinister Performance Re: Removing rear O2 sensor... 08-23-2011, 11:14 PM
Pure2sin Re: Removing rear O2 sensor... 08-23-2011, 11:36 PM
Sinister Performance Re: Removing rear O2 sensor... 08-25-2011, 10:37 AM
apierce1289 Re: Removing rear O2 sensor... 08-24-2011, 12:27 AM
GOTIT4CHEAP16 Re: Removing rear O2 sensor... 09-14-2011, 06:17 PM
Sinister Performance Re: Removing rear O2 sensor... 09-15-2011, 12:10 PM
GOTIT4CHEAP16 Re: Removing rear O2 sensor... 09-15-2011, 05:33 PM
blown383z28 Re: Removing rear O2 sensor... 11-21-2011, 01:10 PM
Sinister Performance Re: Removing rear O2 sensor... 11-22-2011, 12:02 PM
darkhorizon Re: Removing rear O2 sensor... 11-22-2011, 12:08 PM
blown383z28 Re: Removing rear O2 sensor... 11-23-2011, 07:01 AM
darkhorizon Re: Removing rear O2 sensor... 11-23-2011, 07:40 AM
Sinister Performance Re: Removing rear O2 sensor... 11-23-2011, 02:58 PM
CrazyGuy03 Re: Removing rear O2 sensor... 11-23-2011, 03:14 PM
FoSHO99 Re: Removing rear O2 sensor... 11-25-2011, 10:58 AM
Sinister Performance Re: Removing rear O2 sensor... 11-27-2011, 09:19 PM
matt5112 Re: Removing rear O2 sensor... 11-25-2011, 11:00 AM
darkhorizon Re: Removing rear O2 sensor... 11-28-2011, 07:59 AM
Sinister Performance Re: Removing rear O2 sensor... 11-29-2011, 11:53 AM
darkhorizon Re: Removing rear O2 sensor... 11-30-2011, 01:47 PM
CrazyGuy03 Re: Removing rear O2 sensor... 11-30-2011, 02:10 PM
Sinister Performance Re: Removing rear O2 sensor... 12-01-2011, 12:39 PM
CrazyGuy03 Re: Removing rear O2 sensor... 11-29-2011, 12:50 PM
blueguy Re: Removing rear O2 sensor... 11-29-2011, 12:55 PM
CrazyGuy03 Re: Removing rear O2 sensor... 11-29-2011, 01:00 PM
Pure2sin Re: Removing rear O2 sensor... 11-29-2011, 05:19 PM
blown383z28 Re: Removing rear O2 sensor... 11-30-2011, 01:25 PM
blown383z28 Re: Removing rear O2 sensor... 11-30-2011, 05:20 PM
darkhorizon Re: Removing rear O2 sensor... 11-30-2011, 11:18 PM
blown383z28 Re: Removing rear O2 sensor... 12-01-2011, 06:11 AM
darkhorizon Re: Removing rear O2 sensor... 11-30-2011, 02:30 PM
Bob Padilla Re: Removing rear O2 sensor... 12-01-2011, 01:28 AM
Pure2sin Re: Removing rear O2 sensor... 12-01-2011, 02:55 AM
blown383z28 Re: Removing rear O2 sensor... 12-01-2011, 06:19 AM
darkhorizon Re: Removing rear O2 sensor... 12-01-2011, 07:30 AM
blown383z28 Re: Removing rear O2 sensor... 12-01-2011, 10:21 AM
darkhorizon Re: Removing rear O2 sensor... 12-01-2011, 10:22 AM
darkhorizon Re: Removing rear O2 sensor... 12-01-2011, 12:43 PM
FoSHO99 Re: Removing rear O2 sensor... 12-01-2011, 01:25 PM
Sinister Performance Re: Removing rear O2 sensor... 12-01-2011, 10:33 PM
darkhorizon Re: Removing rear O2 sensor... 12-05-2011, 08:34 AM
blown383z28 Re: Removing rear O2 sensor... 12-12-2011, 10:01 AM
Sinister Performance Re: Removing rear O2 sensor... 12-12-2011, 01:45 PM
blown383z28 Re: Removing rear O2 sensor... 12-13-2011, 07:01 AM
darkhorizon Re: Removing rear O2 sensor... 12-13-2011, 02:55 PM
blown383z28 Re: Removing rear O2 sensor... 12-14-2011, 07:05 AM
LapeerGTP Ok can I get the cliff notes... 02-17-2012, 09:08 AM
Sinister Performance Re: Removing rear O2 sensor... 02-17-2012, 01:04 PM
LapeerGTP Ok sounds good. I'll have to... 02-17-2012, 02:01 PM
moddman Re: Removing rear O2 sensor... 02-20-2012, 02:37 AM
matt5112 Wouldn't you want to set it... 02-20-2012, 07:57 AM
Bio248 Re: Removing rear O2 sensor... 02-20-2012, 09:25 AM
Pure2sin Re: Removing rear O2 sensor... 02-20-2012, 02:28 PM
Sinister Performance Re: Removing rear O2 sensor... 02-20-2012, 03:45 PM
Pure2sin Re: Removing rear O2 sensor... 02-20-2012, 03:48 PM
wa04compg Re: Removing rear O2 sensor... 04-01-2012, 03:58 PM
Sinister Performance Re: Removing rear O2 sensor... 04-02-2012, 01:45 PM
LapeerGTP I plan on leaving it in... 04-01-2012, 08:25 PM
MidnightBlue Re: Removing rear O2 sensor... 04-24-2012, 03:28 PM
apierce1289 Mine is always at 14.7 no... 04-24-2012, 06:41 PM
Sinister Performance Re: Removing rear O2 sensor... 04-24-2012, 11:35 PM
LapeerGTP So i just opened up a stock... 04-24-2012, 06:58 PM
Sinister Performance Re: Removing rear O2 sensor... 04-24-2012, 11:29 PM
LapeerGTP Re: Removing rear O2 sensor... 05-01-2012, 09:04 AM
CrazyGuy03 Give it time ;) My 03... 05-01-2012, 09:10 AM
moddman Re: Removing rear O2 sensor... 05-14-2012, 11:06 PM
darkhorizon Re: Removing rear O2 sensor... 05-01-2012, 03:25 PM
Sinister Performance Re: Removing rear O2 sensor... 05-01-2012, 03:44 PM
CrazyGuy03 Re: Removing rear O2 sensor... 05-01-2012, 03:57 PM
Sinister Performance Re: Removing rear O2 sensor... 05-01-2012, 04:09 PM
CrazyGuy03 That's why it's "tiny tuner"... 05-01-2012, 05:06 PM
darkhorizon Re: Removing rear O2 sensor... 05-02-2012, 04:07 PM
Sinister Performance Re: Removing rear O2 sensor... 05-03-2012, 02:23 AM
darkhorizon Re: Removing rear O2 sensor... 05-03-2012, 09:24 AM
Sinister Performance Re: Removing rear O2 sensor... 05-03-2012, 12:11 PM
FoSHO99 Re: Removing rear O2 sensor... 05-02-2012, 04:18 PM
LapeerGTP Back on topic :-) The p... 05-02-2012, 08:28 PM
CrazyGuy03 My post was to inform you how... 05-02-2012, 08:45 PM
apierce1289 What I miss? Darn I'm always... 05-02-2012, 11:48 PM
Pure2sin Re: Removing rear O2 sensor... 05-03-2012, 04:11 AM
blueguy Re: Removing rear O2 sensor... 05-03-2012, 12:15 PM
darkhorizon Re: Removing rear O2 sensor... 05-03-2012, 02:35 PM
Sinister Performance Re: Removing rear O2 sensor... 05-03-2012, 05:53 PM
matt5112 This is the part where... 05-03-2012, 06:48 PM
Pure2sin Re: Removing rear O2 sensor... 05-03-2012, 08:46 PM
CrazyGuy03 Use DHP. Pull your bin. ... 05-15-2012, 02:05 PM
Pure2sin Re: Removing rear O2 sensor... 05-15-2012, 03:52 PM
CrazyGuy03 If you want, I guess I could... 05-15-2012, 04:40 PM
Z34Phoenix Re: Removing rear O2 sensor... 06-05-2012, 11:56 AM
silver3 Re: Removing rear O2 sensor... 09-21-2012, 12:40 AM
blackflag Re: Removing rear O2 sensor... 10-14-2012, 02:15 PM
Pure2sin Re: Removing rear O2 sensor... 10-14-2012, 02:41 PM
blackflag Re: Removing rear O2 sensor... 10-14-2012, 03:10 PM
blackflag Re: Removing rear O2 sensor... 10-15-2012, 07:56 AM
Pure2sin Re: Removing rear O2 sensor... 10-15-2012, 02:13 PM
blackflag Re: Removing rear O2 sensor... 10-15-2012, 04:24 PM
Slick2500 Re: Removing rear O2 sensor... 11-22-2012, 04:17 AM
Steve V Re: Removing rear O2 sensor... 04-18-2013, 07:40 PM
Fivefingerdeathpunch Re: Removing rear O2 sensor... 04-19-2013, 08:50 PM
apierce1289 Re: Removing rear O2 sensor... 04-19-2013, 09:21 PM
91parkave Re: Removing rear O2 sensor... 04-19-2013, 09:43 PM
matt5112 Re: Removing rear O2 sensor... 11-22-2012, 10:25 AM
Slick2500 Re: Removing rear O2 sensor... 11-22-2012, 06:33 PM
91parkave Re: Removing rear O2 sensor... 01-20-2013, 04:11 AM
silver3 Re: Removing rear O2 sensor... 01-20-2013, 05:17 AM
slimguns Re: Removing rear O2 sensor... 04-19-2013, 08:06 AM
Steve V Re: Removing rear O2 sensor... 04-19-2013, 08:42 PM
apierce1289 Re: Removing rear O2 sensor... 04-19-2013, 08:49 AM
apierce1289 Re: Removing rear O2 sensor... 04-19-2013, 09:51 PM
apierce1289 Re: Removing rear O2 sensor... 04-21-2013, 02:11 PM
91parkave Re: Removing rear O2 sensor... 05-07-2013, 02:11 PM
Yarbeau Re: Removing rear O2 sensor... 05-05-2013, 11:03 PM
GTPpower Re: Removing rear O2 sensor... 05-07-2013, 04:53 PM
apierce1289 Re: Removing rear O2 sensor... 05-07-2013, 05:40 PM
FoSHO99 Re: Removing rear O2 sensor... 05-07-2013, 05:56 PM
apierce1289 Re: Removing rear O2 sensor... 05-07-2013, 06:35 PM
darkhorizon Re: Removing rear O2 sensor... 05-07-2013, 10:51 PM
jjmitch87 Re: Removing rear O2 sensor... 05-17-2013, 06:04 PM
PeezDaddy Re: Removing rear O2 sensor... 06-25-2013, 08:58 AM
Pure2sin Re: Removing rear O2 sensor... 06-25-2013, 02:01 PM
darkhorizon Re: Removing rear O2 sensor... 06-25-2013, 06:12 PM
kurupt305 Re: Removing rear O2 sensor... 07-17-2013, 10:04 PM
REDCRAPGP Re: Removing rear O2 sensor... 07-17-2013, 10:06 PM
REDCRAPGP Re: Removing rear O2 sensor... 07-17-2013, 10:10 PM
BillBoost37 Re: Removing rear O2 sensor... 07-18-2013, 05:28 AM
REDCRAPGP Re: Removing rear O2 sensor... 07-18-2013, 05:36 AM
KoldAsIce Re: Removing rear O2 sensor... 03-31-2015, 08:09 PM
SgtMarshal Re: Removing rear O2 sensor... 04-01-2015, 08:27 AM
KoldAsIce Re: Removing rear O2 sensor... 04-01-2015, 08:30 AM
Scottydoggs Re: Removing rear O2 sensor... 04-01-2015, 08:32 AM
KoldAsIce Re: Removing rear O2 sensor... 04-01-2015, 08:35 AM
Reptile Re: Removing rear O2 sensor... 04-01-2015, 09:07 AM
KoldAsIce Re: Removing rear O2 sensor... 04-01-2015, 09:13 AM
KoldAsIce Re: Removing rear O2 sensor... 04-01-2015, 09:13 AM
Reptile Re: Removing rear O2 sensor... 04-01-2015, 09:31 AM
KoldAsIce Re: Removing rear O2 sensor... 04-01-2015, 09:33 AM
SgtMarshal Re: Removing rear O2 sensor... 04-01-2015, 11:28 AM
Reptile Re: Removing rear O2 sensor... 04-01-2015, 11:33 AM
SgtMarshal Re: Removing rear O2 sensor... 04-01-2015, 11:59 AM
231FUN Re: Removing rear O2 sensor... 04-01-2015, 04:21 PM
KoldAsIce Re: Removing rear O2 sensor... 04-01-2015, 04:52 PM
Scottydoggs Re: Removing rear O2 sensor... 06-19-2015, 02:14 PM
Sinister Performance Re: Removing rear O2 sensor... 06-19-2015, 05:43 PM
SgtMarshal Re: Removing rear O2 sensor... 06-19-2015, 05:45 PM
Sinister Performance Re: Removing rear O2 sensor... 06-19-2015, 06:20 PM
Scottydoggs Re: Removing rear O2 sensor... 06-19-2015, 06:46 PM
Sinister Performance Re: Removing rear O2 sensor... 06-20-2015, 12:09 PM
Scottydoggs Re: Removing rear O2 sensor... 06-20-2015, 12:17 PM
Scottydoggs Re: Removing rear O2 sensor... 06-20-2015, 12:35 PM
Scottydoggs Re: Removing rear O2 sensor... 06-21-2015, 09:40 AM
bandook Re: Removing rear O2 sensor... 06-21-2015, 09:49 AM
Scottydoggs Re: Removing rear O2 sensor... 06-21-2015, 09:52 AM
bandook Re: Removing rear O2 sensor... 06-21-2015, 09:55 AM
Scottydoggs Re: Removing rear O2 sensor... 06-21-2015, 10:00 AM
Sinister Performance Re: Removing rear O2 sensor... 06-22-2015, 01:23 PM
Scottydoggs Re: Removing rear O2 sensor... 06-22-2015, 02:24 PM
Sinister Performance Re: Removing rear O2 sensor... 06-22-2015, 02:41 PM
Scottydoggs Re: Removing rear O2 sensor... 06-22-2015, 02:43 PM
Sinister Performance Re: Removing rear O2 sensor... 06-22-2015, 03:01 PM
Scottydoggs Re: Removing rear O2 sensor... 06-22-2015, 03:06 PM
Sinister Performance Re: Removing rear O2 sensor... 06-22-2015, 03:12 PM
Scottydoggs Re: Removing rear O2 sensor... 06-22-2015, 03:15 PM
Sinister Performance Re: Removing rear O2 sensor... 06-22-2015, 03:24 PM
Scottydoggs Re: Removing rear O2 sensor... 06-22-2015, 03:32 PM
BillBoost37 Re: Removing rear O2 sensor... 06-23-2015, 06:19 AM
2004l67 Re: Removing rear O2 sensor... 09-08-2015, 11:44 AM
Uno99 Re: Removing rear O2 sensor... 09-08-2015, 11:17 PM
Slick2500 Re: Removing rear O2 sensor... 09-09-2015, 12:18 AM
Uno99 Re: Removing rear O2 sensor... 09-10-2015, 10:00 PM
buck531 Re: Removing rear O2 sensor... 09-09-2015, 11:34 AM
2004l67 Re: Removing rear O2 sensor... 09-10-2015, 06:26 AM
Slick2500 Re: Removing rear O2 sensor... 09-12-2015, 12:49 AM
GTOorGTP Re: Removing rear O2 sensor... 02-18-2016, 02:38 PM
Scottydoggs Re: Removing rear O2 sensor... 02-18-2016, 04:22 PM
GTOorGTP Re: Removing rear O2 sensor... 02-20-2016, 02:49 AM
Scottydoggs Re: Removing rear O2 sensor... 02-20-2016, 09:14 AM
97AutoXVette Re: Removing rear O2 sensor... 10-03-2016, 11:50 AM
CrazyGuy03 Re: Removing rear O2 sensor... 10-03-2016, 12:11 PM
97AutoXVette Re: Removing rear O2 sensor... 10-03-2016, 02:10 PM
Scottydoggs Re: Removing rear O2 sensor... 10-03-2016, 03:05 PM
Russosaur Re: Removing rear O2 sensor... 10-03-2016, 07:51 PM
Scottydoggs Re: Removing rear O2 sensor... 10-03-2016, 07:58 PM
97AutoXVette Re: Removing rear O2 sensor... 11-28-2016, 03:25 PM
Russosaur Re: Removing rear O2 sensor... 11-28-2016, 04:06 PM
SgtMarshal Re: Removing rear O2 sensor... 11-28-2016, 03:29 PM
97AutoXVette Re: Removing rear O2 sensor... 11-28-2016, 03:38 PM
SgtMarshal Re: Removing rear O2 sensor... 11-28-2016, 03:45 PM
digitaloutsider Re: Removing rear O2 sensor... 04-24-2017, 12:18 AM
dromaine Re: Removing rear O2 sensor... 10-27-2017, 02:34 AM
rickisrad Re: Removing rear O2 sensor... 10-27-2017, 08:06 AM
SgtMarshal Re: Removing rear O2 sensor... 10-27-2017, 09:51 AM
rickisrad Re: Removing rear O2 sensor... 10-27-2017, 12:55 PM
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  1. #1 Re: Removing rear O2 sensor on 01-newer PCMs -- Things you should know 
    GXP Level Member 91parkave's Avatar
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    Quote Originally Posted by apierce1289 View Post
    The solution to this is just to remove the cat but not the two sensors so that the ECU will run the diagnostic process and it'll fail but the ECU will not report the code. Since the diagnostic sequence will run and then fail the ECU will not continue to run the diagnostic test which in turn will result in no excess fuel being used once said test is ran. Fuel is only wasted if that test is continued with no definitive result to be recorded as a pass or fail by the ECU. Like FFDP said the diagnostic procedure and cat codes will need to be turned off by someone with HPTuners.

    Sent from my DROID RAZR using Xparent Red Tapatalk 2
    Uh no..... you will run rich as hell Because the test comes up incomplete. It will then try to richen up the mixture in order to keep the cat from being burned up
    06 GXP | 222/227 cam/cartuning turbo kit on 8psi/meth/e85 coilovers/ still on stock trans at 130k
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  2. #2 Re: Removing rear O2 sensor on 01-newer PCMs -- Things you should know 
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    Surprised its the same price on Amazon.
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  3. #3 Re: Removing rear O2 sensor on 01-newer PCMs -- Things you should know 
    I live here. Slick2500's Avatar
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    Well I need to do something my car is dumping fuel.
    2003 Redfire Metallic Chevy Tahoe Z71 - Airaid Modular Intake Tube, Flowmaster Exhaust.
    Quote Originally Posted by The Sunfire Guy
    Superchargers take away horsepower
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  4. #4 Re: Removing rear O2 sensor on 01-newer PCMs -- Things you should know 
    GXP Level Member 91parkave's Avatar
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    I've been reading through this thread back and fourth trying to figure out what's actually relevant. I'm using hpt on a 06 grand Prix gxp. I'm hoping anyone else with hpt can verify that just turning off dtc's and post cat and rear 02 tests is the way to go.?
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  5. #5 Re: Removing rear O2 sensor on 01-newer PCMs -- Things you should know 
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    from what im reading, it can be accessed from a 05+ file through tiny tuner. the 04 and 05 are different ( have diff dtc codes) so i have to manually transfer files over and change dtc 1 by 1 to get to the option i need.
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  6. #6 Re: Removing rear O2 sensor on 01-newer PCMs -- Things you should know 
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    Spark plug non-foulers are cheaper and function based on the same principal. Google it and you'll find it the first try. Also, this is already listed in this thread. Actually reading the thread helps a lot. ;-)
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  7. #7 Re: Removing rear O2 sensor on 01-newer PCMs -- Things you should know 
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    Quote Originally Posted by slimguns View Post
    Actually reading the thread helps a lot. ;-)
    FYI I read the entire thread so I missed it. Thanks for the help.
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  8. #8 Re: Removing rear O2 sensor on 01-newer PCMs -- Things you should know 
    GTP Level Member apierce1289's Avatar
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    None of that stuff is needed Steve just buy an overkill tuned PCM and ask him to disable all of the catalytic converter codes that's what I did and I don't have any issues and my gas mileage is still the same. Plus my ECU reports no errors at all times even without the cat because of the overkill PCM being tuned and those codes being disabled and as a result I pass inspection every single time. Before anybody says anything negative I wouldn't be telling him this if it didn't work on my car my cars 2002 anything beyond a 2002 I believe the catalytic converters are not able to be removed/disabled. And if you're so inclined to look at what I'm talking about you can check out my bin file from HP Tuners if you'd like just message me and I can send it to you. And if you're thinking about buying HP Tuners its a great investment and I wouldn't trade it for anything in the world it's definitely worth the money so with that being said you can learn a lot if you have the money to buy it.

    Sent from my DROID RAZR using Xparent Red Tapatalk 2
    Last edited by apierce1289; 04-19-2013 at 08:54 AM.
    Gremlins always seem to show up in pairs, or groups of three with our cars...
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  9. #9 Re: Removing rear O2 sensor on 01-newer PCMs -- Things you should know 
    GTP Level Member apierce1289's Avatar
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    I've never noticed anything wrong with my car so I can't vouch for that. But I'll scan it with hptuners and take a look. Highly doubt I'll find anything but I'll look when I have some spare time.

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    Last edited by apierce1289; 04-19-2013 at 09:56 PM.
    Gremlins always seem to show up in pairs, or groups of three with our cars...
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  10. #10 Re: Removing rear O2 sensor on 01-newer PCMs -- Things you should know 
    GTP Level Member apierce1289's Avatar
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    I decided to take a look with my torque obd2 app on my android phone because I haven't had time to grab my laptop and catalyst emissions check has been completed (while I have known that this emissions check has been completed I wanted to show you proof anyways so that people know that it does not show as incomplete). Please note that my cat is removed. So There's proof right there that the catalyst emissions check is able to complete as long as everything is set up in the ECU correctly with HP Tuners



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    Gremlins always seem to show up in pairs, or groups of three with our cars...
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  11. #11 Re: Removing rear O2 sensor on 01-newer PCMs -- Things you should know 
    GXP Level Member 91parkave's Avatar
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    Quote Originally Posted by apierce1289 View Post
    I decided to take a look with my torque obd2 app on my android phone because I haven't had time to grab my laptop and catalyst emissions check has been completed (while I have known that this emissions check has been completed I wanted to show you proof anyways so that people know that it does not show as incomplete). Please note that my cat is removed. So There's proof right there that the catalyst emissions check is able to complete as long as everything is set up in the ECU correctly with HP Tuners



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    Just saw youre response dude you never said you had HP tuners and that it was already taken care of my post was regarding If you were on a factory calibration still and removed the cat while leaving the rear 02 active
    06 GXP | 222/227 cam/cartuning turbo kit on 8psi/meth/e85 coilovers/ still on stock trans at 130k
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  12. #12 Re: Removing rear O2 sensor on 01-newer PCMs -- Things you should know 
    GT Level Member Yarbeau's Avatar
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    I have an 02 GTP.
    Going with TOG headers and TOG stainless 3" with cat. Tuned PCM with Cat codes, rear o2 sensor codes, and egr codes all removed etc...
    Is it beneficial to run an o2 emulator to keep my fuel trims? Or do I need the real rear o2 sensor to not run flat out rich?

    I tried reading through all 9 pages and deciphering the correct information but still didnt come to a conclusion.
    2000 Daytona 500 - Tog Headers with catted Downpipe, EGR Delete, 180* Thermostat, Solid engine mount, Poly tranny mount/Dogbones, K&N CAI with a custom tune.
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  13. #13 Re: Removing rear O2 sensor on 01-newer PCMs -- Things you should know 
    GXP Level Member GTPpower's Avatar
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    Quote Originally Posted by Yarbeau View Post
    I have an 02 GTP.
    Going with TOG headers and TOG stainless 3" with cat. Tuned PCM with Cat codes, rear o2 sensor codes, and egr codes all removed etc...
    Is it beneficial to run an o2 emulator to keep my fuel trims? Or do I need the real rear o2 sensor to not run flat out rich?

    I tried reading through all 9 pages and deciphering the correct information but still didnt come to a conclusion.
    As long as you have the catalyst diagnostic test shut off, you don't need the rear O2.


    2001 GTP Drag Car - XPZ, Tischler heads, Upsidedown M90 IC'd, e85, Gen V, 2.3 w/ 5%OD
    2005 F350 6.0 - studded, deleted, tuned
    2001 GTP - cam, headers, nitrous, stock trans - 11.83 @ 116 <$2k in mods - sold
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  14. #14 Re: Removing rear O2 sensor on 01-newer PCMs -- Things you should know 
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    You can't shut off the test for the rear o2 catalyst. You have to disable all the codes that have to do with the catalyst emissions check and set them to no error report by removing the rear o2 sensor you're going to stop it from completing the test as long as it completes the test ( as long as its pass or fail it won't matter because it won't run again until you clear all the codes inside of the computer) it'll just reported that nothings wrong.

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  15. #15 Re: Removing rear O2 sensor on 01-newer PCMs -- Things you should know 
    youtu.be/xhrBDcQq2DM FoSHO99's Avatar
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    Tiny tuner shuts test off.
    2001 GTP PT61 Turbo, E85, Stock Motor
    2011 Chevy Cruze MT6 1.4L Turbo
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  16. #16 Re: Removing rear O2 sensor on 01-newer PCMs -- Things you should know 
    GTP Level Member apierce1289's Avatar
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    Quote Originally Posted by FoSHO99 View Post
    Tiny tuner shuts test off.
    I did not know that where can I get tiny tuner?

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  17. #17 Re: Removing rear O2 sensor on 01-newer PCMs -- Things you should know 
    GXP Level Member darkhorizon's Avatar
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    Quote Originally Posted by apierce1289 View Post
    I did not know that where can I get tiny tuner?

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    Here.....
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  18. #18 Re: Removing rear O2 sensor on 01-newer PCMs -- Things you should know 
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    I have read through all 9 pages of this damn thread 3 times now. i am not sure of the answer to my question STILL. i bought an 01 GTP, the cat has been removed, i have a P0420 code, thats it. i have a bluetooth OBD2 dongle and Torque Pro app. everything has passed except for the cat test, due to that code/no cat. i live in MA so i will need to pass emissions. assuming they dont do a sniffer or a visual check(im pretty sure i can go to a place that wont do sniffer/visual), just a scanner check, how do i pass inspection without buying a friggin cat and having it welded in and without spending tons of money on a pcm or a tune? ive heard the code sometimes comes up with an aftermarket high flow cat, and 2 spark plug non foulers on the rear o2 will slow it down enough to pass, but what about with no cat at all? if non foulers wont work, can i just download the free tiny tuner and set the diag to pass so i can get a sticker?
    ***i am assuming since the test has run and failed to pass and set a code, it is not continuously running and fudging up anything and dumping fuel. if this is the wrong assumption someone let me know!"
    2001 Grand Prix GTP, silver w/ black hood, silver bullit 17s
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  19. #19 Re: Removing rear O2 sensor on 01-newer PCMs -- Things you should know 
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    Quote Originally Posted by jjmitch87 View Post
    I have read through all 9 pages of this damn thread 3 times now. i am not sure of the answer to my question STILL. i bought an 01 GTP, the cat has been removed, i have a P0420 code, thats it.
    You and me both. I read the whole thread...twice, and still keep reading both conflicts in what to do, and conflicts between a few responders, which did nothing but confuse me further...lol

    I have HPTuners, well used and understood on my other V8 LS based vehicles.
    No intention of buying any other program or software, whatsoever...
    Never tuned a positive displacement supercharger before...but have tuned centrifugal supercharged cars of the non-GM brand...

    I have bought the HPTuners tuning license for my son's "new" 2001 GTP.

    He also has the recurring P0420 code, I believe due to the converter being gutted out, and car is due for emissions inspection.

    If I am understanding correctly, if I change the rear converter/rear O2 sensor codes to NO ERROR REPORTED, and UNCHECK SES (or MIL) light, then the PCM will try the cat test once, then fail, but not keep trying the "test"???

    Without any Tiny Tuners or whatever else, is this my best option for not dumping fuel and/or failing the emissions test?

    Thanks in advance.
    BOB
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    1971 Chevelle SS 402
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  20. #20 Re: Removing rear O2 sensor on 01-newer PCMs -- Things you should know 
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    You don't have to buy Tiny Tuner to use it. It's free.
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