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03-27-2013, 06:23 PM
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#57 |
 
Drives: 13' Sw 2ss Ls3 Join Date: Dec 2012
Location: porterville ca
Posts: 543
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This code is now popping up after my rear cat delete less than 20miles ago but have notice my exhaust is leaking pretty bad where the header bolts up yo the cat dropping it off at mechanics tomorow to install new seals do u guys think this was cause the same code p0174?
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03-28-2013, 09:26 AM
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#58 |
          
Drives: '69 SS Convertible Join Date: May 2009
Location: DFW, TX
Posts: 7,111
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I guess it's possible if it is somehow sucking up some air. I would almost have to be in front of the O2 sensor though.
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-2010 Camaro 2SS | M6 | VR w/White Stripes | 1 3/4" KOOKS - 3" Magnaflow | LPE 3.91 gears | ADM tuned | Halltech w/ADM Scoop | Spohn/BMR Trailing Arm/Toe Rod | BC Coilovers| Pedders FE4 ZL1 swaybars | Cradle/Diff/Radius Rod bushings | VMax TB | Morimoto Projectors | MGW shifter | Red Calipers
Build Journal  |
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03-28-2013, 02:05 PM
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#59 |
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Drives: 13' Sw 2ss Ls3 Join Date: Dec 2012
Location: porterville ca
Posts: 543
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I'm thinking so on deceleration cause the leak is right where the header bolts up to the cat and about 2-4 inches down is the front o2 ordered some gaskets to get installed today I hope this is the problem
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03-30-2013, 01:26 PM
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#60 |
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Check fuses first.
Check header flange for leaks. Visually inspect O2 sensor wiring. If its crimped . You will see it. Look closely. I've had a blown fuse cause that code and I've had an O2 sensor be installed improperly by crimping the wiring with a zip tie. So both could cause the code in addition sensor being banged around. I understand they're fairly sensitive. Also if a header is leaking it could cause the sensor to get the illusion you're lean. I agree , I doubt it's your ADM tune. I think Zippy has you on the right track. |
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03-30-2013, 01:29 PM
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#61 |
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Catch can ... Yet another new one to me.. Have to make a note of that one.
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03-31-2013, 03:35 AM
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#62 |
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Untamed Performance EPT
Drives: 2011 2SS Join Date: Aug 2012
Location: El Paso
Posts: 372
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Glad u found the problem caverman lol. Cant wait to get back to my car to start throwin money at it errrrr I mean troubleshooting it as well. Although I have have a reason to believe I have a ground somewhere in the wiring that is crapped out on Bank 1 sensor 1 as I can watch it intermittently not report any voltage on the diablo dataviewer software. even with continuity checks done from the ECU connector to B1S1 connector showing good. still cant find the culprit.
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Borla LT Headers and Borla Cat Back ATAK 9in. diff with 4.11's, DSS Axles, and Alum Shaft Hurst Short-Shifter; Ideal Garage Master Cylinder H-E Street Slayer Twin Billet Clutch BMR: Adjustable; Trailing Arms, Toe Rods, Extreme Sway Bar. BMR Subframe Bushings. Strange Rear Coilovers and mounts Tuned by Rhino79  |
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08-24-2025, 03:46 PM
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#63 |
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Meg
Drives: 2010 Chevrolet Camaro 2SS 6.2 LS3 Join Date: Jun 2023
Location: Springfield Illinois
Posts: 2
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I've been having this same issue..P0171 & P0174. It throws them randomly. I have a SCT x4 tune on it...I only run 93 Shell fuel. Should I start with o2 sensors?
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