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 
    Moderator Russosaur's Avatar
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    So, since someone bumped it. Anyone notice even with the diag tests disabled in TT that sometimes it'll still want to run the tests briefly? Unless it something else, can still randomly rise -10 to -20 ltfts gradually for like a minute then it drops back to normal. Literally only does it after I fill up, the car is warmed up, turn it off, fill it up, drive off, mile or 2 later ltfts rise then drop back to normal a couple miles more down the road.
    2019 F150 XL - Make it run 12's N/A
    2012 F150 STX
    - Gonna be a race truck
    02 GT "Slowkar" 180k - Top Swap, Gen V, TOG Headers, 1.9s, e85, 3.25. It's literally the slowest e85 car ever....

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  2. #2 Re: Removing rear O2 sensor on 01-newer PCMs -- Things you should know 
    Killa Bee Scottydoggs's Avatar
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    that sounds like the evap it can mess with your ltft's. i deleted mine, it dont do that crap no more.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  3. #3 Re: Removing rear O2 sensor on 01-newer PCMs -- Things you should know 
    GTP Level Member 97AutoXVette's Avatar
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    So it may have been discussed in this thread, but I cannot seem to find it. Will the O2-emulator (such as the one sold by ZZP) eliminate the cat-diagnostic check?? ZZP has free shipping today, and I may take advantage of that.
    1998 GTP sedan: sold, 1999 GTP coupe #1: sold, 1999 GTP coupe #2 on E85: totalled
    2002 GTP sedan:
    3" downpipe|PLOG|poly mts|160 T*|60# Injectors|ZZP Intake|1.8 YT RRs|Ported Gen3|Ported ZZP S2 TB|E85|FP rewire|ZZP FSIC|WP UD Pulley|2.8 MPS|HP-Tuners
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  4. #4 Re: Removing rear O2 sensor on 01-newer PCMs -- Things you should know 
    Moderator Russosaur's Avatar
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    Quote Originally Posted by 97AutoXVette View Post
    So it may have been discussed in this thread, but I cannot seem to find it. Will the O2-emulator (such as the one sold by ZZP) eliminate the cat-diagnostic check?? ZZP has free shipping today, and I may take advantage of that.
    Don't think so. How I think it works is the test runs the car rich then it looks for the rear 02 sensor to see that then it stops the test. If there isn't an 02 sensor then it can't stop the test until it times out after so long.

    Sent from my SM-S902L using Tapatalk
    2019 F150 XL - Make it run 12's N/A
    2012 F150 STX
    - Gonna be a race truck
    02 GT "Slowkar" 180k - Top Swap, Gen V, TOG Headers, 1.9s, e85, 3.25. It's literally the slowest e85 car ever....

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  5. #5 Re: Removing rear O2 sensor on 01-newer PCMs -- Things you should know 
    GrandPrix Junkie SgtMarshal's Avatar
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    Sometimes it does, not always
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  6. #6 Re: Removing rear O2 sensor on 01-newer PCMs -- Things you should know 
    GTP Level Member 97AutoXVette's Avatar
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    Quote Originally Posted by SgtMarshal View Post
    Sometimes it does, not always
    Any idea why it would work for some but not others?? Seems like it would be an all or nothing deal, unless something else was screwed up in the PCM or secondary O2 sensor wiring??
    1998 GTP sedan: sold, 1999 GTP coupe #1: sold, 1999 GTP coupe #2 on E85: totalled
    2002 GTP sedan:
    3" downpipe|PLOG|poly mts|160 T*|60# Injectors|ZZP Intake|1.8 YT RRs|Ported Gen3|Ported ZZP S2 TB|E85|FP rewire|ZZP FSIC|WP UD Pulley|2.8 MPS|HP-Tuners
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  7. #7 Re: Removing rear O2 sensor on 01-newer PCMs -- Things you should know 
    GrandPrix Junkie SgtMarshal's Avatar
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    Trannyman, aka Dave at TEP says the o2 sim won't fix the catalytic converter diagnostic
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  8. #8 Re: Removing rear O2 sensor on 01-newer PCMs -- Things you should know 
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    Slightly resurrecting a dead thread (but hey it's a sticky):

    The temp for CAT Diagnostic Enable Coolant Temp should really be like 285 instead of -285. The diagnostic will run anyway if it's set to -285 because it will always be above that temperature. It would happen once every drive cycle for me until interrupted by hitting the gas hard or something (the wideband would go way rich, like .68 lambda). After it was interrupted, it wouldn't run again, but it was still annoying. Setting it to a high positive number has kept it from coming back.
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  9. #9 Re: Removing rear O2 sensor on 01-newer PCMs -- Things you should know 
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    I read the entire thing tonight. Do us newbies get any achievement awards? There was usefull information and as always there was a little drama in there but at least it was kept pretty civil. I'm so new to tuning I don't even have a way to hook my Commodore 64 up to my OBDII yet. Anyway, I'm looking for a paper (yes a book, with a cover, bindings and PAPER) back or hardcover book you suggest to read on tuning. I'm so new I had to look up ltft and stft. Hoping to get to know and learn from each of you guys.
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  10. #10 Re: Removing rear O2 sensor on 01-newer PCMs -- Things you should know 
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    2017 Buick Regal 2.0 Turbo (SOLD 2007 Grand Prix GT. Front and rear PLOGs, 1.8 roller rockers, CAI, HPTuned, 3.4 pulley, TEP transmission, 90# springs, rollmaster single chain, Impala front brakes d/s rotors.) Past (Pontiacs) Grand Prix- 97 GT, 03 GT, 04 GT, 04 Comp G, 78 Trans am, 92 Trans Am.
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  11. #11 Re: Removing rear O2 sensor on 01-newer PCMs -- Things you should know 
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  12. #12 Re: Removing rear O2 sensor on 01-newer PCMs -- Things you should know 
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    ^ That's the book I have. Very good information. The best information for our specific platform is in this pcm tuning forum. Lots to read and absorb!! I'm not sure what you are planning to tune with but the Commodore 64 won't cut it! LOL
    2017 Buick Regal 2.0 Turbo (SOLD 2007 Grand Prix GT. Front and rear PLOGs, 1.8 roller rockers, CAI, HPTuned, 3.4 pulley, TEP transmission, 90# springs, rollmaster single chain, Impala front brakes d/s rotors.) Past (Pontiacs) Grand Prix- 97 GT, 03 GT, 04 GT, 04 Comp G, 78 Trans am, 92 Trans Am.
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