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03-30-2015, 10:46 AM
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#1 | |
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Homeless Life Chose Me
Drives: LS3 (sold 4/21) Join Date: Nov 2014
Location: Streets of Philly
Posts: 3,650
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CEL & Longtube Headers Question
I know check engine light comes on with longtube headers and highflow cats which is what I installed the other day (stainless powers). But usually people say it takes a little bit. I think mine came on right when I started it or shortly after. I did have to buy a rear O2 sensor for 1 cat. It was that Bosche smart link and you have to cut the connector off the original sensor. It seemed sketchy so maybe that one sensor isn't connected right?
Btw this is the video of how to connect old O2 to the new one:
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Pity a man in familiar places, who yet feels like a stranger.
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03-30-2015, 10:53 AM
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#2 |
    
Drives: 2011ss/rs camaro Join Date: Sep 2011
Location: florida
Posts: 1,261
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It doesn't matter how it's connected or if it's not connected at all...the end result is the CEL...you wasted money buying a rear sensor that's obsolete with the headers....READ
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 . OBX LTH,Rotofab,Magnuson Heartbeat.AEM wideband, HP Tuners |
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03-30-2015, 11:08 AM
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#3 | |
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Homeless Life Chose Me
Drives: LS3 (sold 4/21) Join Date: Nov 2014
Location: Streets of Philly
Posts: 3,650
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Quote:
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Pity a man in familiar places, who yet feels like a stranger.
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03-30-2015, 11:34 AM
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#4 |
 
Drives: 2013 AGM 1SS/RS LS3 Join Date: Mar 2011
Location: Cedar Falls, Iowa
Posts: 1,581
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You need to get a tune. When I installed my headers, I had previously done a dyno run (398hp/405tq) and when I finally went in to get the dyno tune done with the headers my baseline was way off. It showed 402hp/380tq and my fuel trims were way rich. Once everything was dialed in it was 425hp/411tq. Bottom line: Get the tune done.
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2013 Camaro 1SS/RS - Ashen Gray Metallic
| LS3 | CAI Inductions, Inc Intake | Vmax Ported Throttle Body | Dynatech 1.875" Long Tube Headers | Apex Scoop & Washer Bottle Relocation | Lethal Racing Night Fury Cam | BTR 7.400" Push Rods |LS2 Dampener | Melling 10296 Oil Pump | IWIS Chain | BTR .660" Dual Valve Springs | BTR Trunion Upgrade Kit | Lethal Racing Tuned | Anvil Notch Spoiler | BMR Split Drop Springs | Eaton TrueTrac | GM 3.91 Gears | LPW Diff Cover | Rohana RF2 275/40 20x10F 315/35 20x11R | BMR Polyurethane Motor Mounts  |
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03-30-2015, 11:36 AM
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#5 |
 Drives: 2023 Camaro ZL1 Join Date: Jan 2013
Location: WV
Posts: 71
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I'm dealing with the delayed response code with my Kooks and green cats. I had to replace the bank 1 upstream O2 sensor. Trying to figure out how to get this to stop coming on until I get tuned. From what I understand that cide won't hurt the car
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03-30-2015, 12:41 PM
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#6 |
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Homeless Life Chose Me
Drives: LS3 (sold 4/21) Join Date: Nov 2014
Location: Streets of Philly
Posts: 3,650
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I am getting a tune thats not what this is about. And u can't keep it from coming on.
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Pity a man in familiar places, who yet feels like a stranger.
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03-30-2015, 04:01 PM
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#7 |
   
Drives: 73 VETTE ,, 05 2500hd diesel,14 1LE Join Date: Feb 2014
Location: The Left lane PHOENIX AZ
Posts: 2,626
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the rears get tuned out , when you get a tune . rear O2's don't even need to be pluged in after a tune. If you want to replace the rear o2's , use direct fit O2's.
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OLD GUY FLYING FAST AND LOW
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03-30-2015, 06:38 PM
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#8 |
Drives: 2014 1SS/RS, 2018 Silverado CC Join Date: Apr 2014
Location: Oceanside, CA
Posts: 1,487
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OEM sensor for rear are about $35 on amazon. No worrying about cutting and connecting. I got my cel after about 400 miles, just cleared it with an elm27 and torque app. I still haven't gotten the car tuned and the cel hasn't come back on yet. Once it does, I'll just clear it again until I get the car tuned.
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03-30-2015, 06:43 PM
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#9 |
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Drives: 2013 Camaro ss/rs Join Date: Nov 2014
Location: ky
Posts: 86
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So I'm about to install long tube headers. I didn't know that I don't need to hook the rear ones up? Just put the extender wires for the 2 front ?
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03-30-2015, 06:47 PM
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#10 |
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Drives: 2014 1SS/RS, 2018 Silverado CC Join Date: Apr 2014
Location: Oceanside, CA
Posts: 1,487
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Yea the extensions are for the front sensors. Like mentioned above they rears will be turned off once you get a tune and the sensors will just serve as a plug.
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03-30-2015, 06:48 PM
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#11 |
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Drives: 2013 Camaro ss/rs Join Date: Nov 2014
Location: ky
Posts: 86
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Okay thanks. Didn't know that lol
Sent from my iPhone using Tapatalk
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03-30-2015, 07:47 PM
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#12 |
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Homeless Life Chose Me
Drives: LS3 (sold 4/21) Join Date: Nov 2014
Location: Streets of Philly
Posts: 3,650
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Wow what a waste of money then ($60)
 Anyways so any of you have CEL come on immediately?
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Pity a man in familiar places, who yet feels like a stranger.
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03-30-2015, 08:04 PM
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#13 |
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Too much is never enough!
Drives: AGP TT SS [COTW] 4/20/15 Join Date: Feb 2014
Location: Toledo,OH
Posts: 4,149
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Whats the code? Were all just assuming its a O2 code, but have you pulled the code to make sure?
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AGP TT kit, 54/57 Forged rotating assembly, Custom grind cam... Dual nozzle meth, ID850's, Livernois dual fuel pumps, ECS BAP, 25% UDP, 3 inch Magnaflow catback with X pipe, Mantic 9000 clutch, DSS 1000hp axles, DSS aluminum driveshaft, ZL1 rear end, solid subframe bushings, HE differential offset bushings, BMR Trailing arm, BMR toe rods, Lingenfelter LNC-2000,SJM Line Lock. 747 whp 714wtq
Build thread http://www.camaro5.com/forums/showth...55#post8107855 |
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03-30-2015, 08:26 PM
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#14 |
  
Drives: One of the baddest handling Gen 5s Join Date: Feb 2011
Location: Masachusetts
Posts: 4,177
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Rear O2s need to be plugged into the car not the exhaust.
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