LS1TECH - Camaro and Firebird Forum Discussion

Generation III External Engine LS1 | LS6 | Bolt-Ons | Intakes | Exhaust | Ignition | Accessories
Sponsored by:
Sponsored by:

O2 Sensor Failure?

Thread Tools
 
Search this Thread
 
Old Jan 26, 2013 | 11:08 PM
Share
  #1  
hcb1700's Avatar
hcb1700
Thread Starter
TECH Regular
15 Year Member
Photogenic
iTrader: (9)
 
Joined: Oct 2007
Posts: 446
Likes: 1
From: Oakland, California
Unhappy O2 Sensor Failure?
Is it possible for an O2 Upstream sensor to go bad without throwing a code? I just installed the BBK LT headers system, and Corvette O2's (SMP Brand) and am having problems with the car. I got a system lean code on bank 1 and a random/multiple misfire code. I have HP tuners, and scanned the car and noticed that the bank 1 O2 sensor wouldn't go past maybe .150V, even when I accelerated. The bank 2 sensor responds normally and the volts do go up.

Can this be the Bank 1 sensor that is bad? These two are brand new sensors.
Reply
0
Old Jan 26, 2013 | 11:32 PM
Share
  #2  
DCC!!'s Avatar
DCC!!
TECH Enthusiast
iTrader: (8)
 
Joined: Oct 2009
Posts: 551
Likes: 0
From: Abilene Texas
Default
you may have a bad sensors from the store swap them and see what happends
Reply
0
Old Jan 26, 2013 | 11:38 PM
Share
  #3  
hcb1700's Avatar
hcb1700
Thread Starter
TECH Regular
15 Year Member
Photogenic
iTrader: (9)
 
Joined: Oct 2007
Posts: 446
Likes: 1
From: Oakland, California
Default
I'm going to try that probably tomorrow. Is it possible for it to go bad without throwing an O2 code?
Reply
0
Old Jan 26, 2013 | 11:47 PM
Share
  #4  
DCC!!'s Avatar
DCC!!
TECH Enthusiast
iTrader: (8)
 
Joined: Oct 2009
Posts: 551
Likes: 0
From: Abilene Texas
Default
i have no idea but maybe
Reply
0
Old Jan 27, 2013 | 12:50 AM
Share
  #5  
LilJayV10's Avatar
LilJayV10
TECH Senior Member
15 Year Member
Liked
Loved
Community Favorite
iTrader: (39)
 
Joined: Apr 2007
Posts: 9,711
Likes: 999
From: Evansville,IN
Default
Has the car been tuned? I saw you mentioned Hp Tuners. Does the sensor switch any or is it stuck at .150mv?
Reply
0
Old Jan 27, 2013 | 09:01 AM
Share
  #6  
hcb1700's Avatar
hcb1700
Thread Starter
TECH Regular
15 Year Member
Photogenic
iTrader: (9)
 
Joined: Oct 2007
Posts: 446
Likes: 1
From: Oakland, California
Default
It does switch, but not above .200 when the car warms up a bit is when you start to feel the car get leaner and the engine gets more shaky.
Reply
0
Old Jan 27, 2013 | 09:57 AM
Share
  #7  
redline61's Avatar
redline61
Staging Lane
 
Joined: Sep 2012
Posts: 55
Likes: 0
From: CDA, Idaho
Default
Coming from the German word it isn't uncommon for an O2 sensor to go bad without throwing a code. I had two sensors do this to me on my Audi. Switching the banks is the best idea. I also had a MAF sensor do this to me on the Audi. No codes, ran pretty good but when I logged it it would show somewhat funky readings. New maf and the car was back to perfect.
Reply
0

Trending Topics

Old Jan 27, 2013 | 10:49 AM
Share
  #8  
Turb0Z28's Avatar
Turb0Z28
Launching!
iTrader: (4)
 
Joined: Jul 2007
Posts: 209
Likes: 0
Default
any exhaust leaks? and try ngk o2's
Reply
0
LS1 Tech Stories

The Best V8 Stories One Small Block at Time

story-0

Amazing '71 Camaro Restomod Is Modern Muscle Car Under the Skin

 Verdad Gallardo
story-1

6 Common C5 Corvette Failures and What's Involved In Repairing Them

 Pouria Savadkouei
story-2

Retro Modern Bandit Pontiac Trans AM Comes With Burt Reynolds' Autograph

 Verdad Gallardo
story-3

Top 10 Greatest Cadillac V Series Performance Models Ever, Ranked

 Pouria Savadkouei
story-4

Top 10 Most Powerful Chevy Trucks Ever Made!

 
story-5

Hennessey's New Supercharged Silverado ZR2 Has 700 HP

 Verdad Gallardo
story-6

Coachbuilt N2A Anteros Is an LS2-Powered C6 Corvette In Italian Clothes

 Verdad Gallardo
story-7

Awesome K5 Blazer Restomod Comes With C7 Corvette Power

 Verdad Gallardo
story-8

10 Camaros You Should Never Buy

 
story-9

10 LS Engine Myths That Refuse to Die

 Verdad Gallardo
Old Jan 27, 2013 | 01:49 PM
Share
  #9  
JRENIGAR's Avatar
JRENIGAR
10 Second Club
10 Year Member
iTrader: (37)
 
Joined: Dec 2010
Posts: 2,069
Likes: 2
From: 72396
Default
Mine from the local parts store done this same thing after a year or so and didnt throw a code but had low voltage like you described. New one from the parts store solved this.
Reply
0
Old Jan 27, 2013 | 09:03 PM
Share
  #10  
hcb1700's Avatar
hcb1700
Thread Starter
TECH Regular
15 Year Member
Photogenic
iTrader: (9)
 
Joined: Oct 2007
Posts: 446
Likes: 1
From: Oakland, California
Default
I did find an exhaust leak at the back of the Y-pipe where it meets the back pipe. I'm going to try one of the original O2 sensors(A Denso) that I extended, and see if that works and makes things better.
Reply
0
Old Jan 27, 2013 | 09:49 PM
Share
  #11  
LilJayV10's Avatar
LilJayV10
TECH Senior Member
15 Year Member
Liked
Loved
Community Favorite
iTrader: (39)
 
Joined: Apr 2007
Posts: 9,711
Likes: 999
From: Evansville,IN
Default
Originally Posted by hcb1700
I did find an exhaust leak at the back of the Y-pipe where it meets the back pipe. I'm going to try one of the original O2 sensors(A Denso) that I extended, and see if that works and makes things better.

Can I ask how you extended it?
Reply
0
Old Jan 27, 2013 | 10:19 PM
Share
  #12  
hcb1700's Avatar
hcb1700
Thread Starter
TECH Regular
15 Year Member
Photogenic
iTrader: (9)
 
Joined: Oct 2007
Posts: 446
Likes: 1
From: Oakland, California
Default
Originally Posted by LilJayV10
Can I ask how you extended it?
I used solder and the wire that was supplied by BOK in their headers. I was going to use these extended O2 sensors to move the car for street sweeping, but received the new sensors the same day.
Reply
0
Old Jan 27, 2013 | 10:45 PM
Share
  #13  
LilJayV10's Avatar
LilJayV10
TECH Senior Member
15 Year Member
Liked
Loved
Community Favorite
iTrader: (39)
 
Joined: Apr 2007
Posts: 9,711
Likes: 999
From: Evansville,IN
Default
OK. Just checking. I had a recent experience with a car at work where someone had extended their 02's with trailer wiring.

Back on topic!
Reply
0
Old Jan 27, 2013 | 11:47 PM
Share
  #14  
hcb1700's Avatar
hcb1700
Thread Starter
TECH Regular
15 Year Member
Photogenic
iTrader: (9)
 
Joined: Oct 2007
Posts: 446
Likes: 1
From: Oakland, California
Default
Originally Posted by LilJayV10
OK. Just checking. I had a recent experience with a car at work where someone had extended their 02's with trailer wiring.

Back on topic!
I think I remember seeing your thread about that. I'm not that much of a Bubba .
Reply
0
Tags
Back to Subforum
Generation III External Engine
View Next Unread
HELP !questions about exhaust




Advanced Search

All times are GMT -5. The time now is 10:05 PM.

story-0
Amazing '71 Camaro Restomod Is Modern Muscle Car Under the Skin

Slideshow: This heavily modified 1971 Camaro mixes classic muscle car styling with a fifth-generation Camaro interior and modern LS3 power.

By Verdad Gallardo | 2026-05-12 18:06:42


VIEW MORE
story-1
6 Common C5 Corvette Failures and What's Involved In Repairing Them

Slideshow: From wobbling harmonic balancers to failed EBCMs, these are the issues that define long-term C5 ownership and what repairs typically involve.

By Pouria Savadkouei | 2026-05-07 18:44:57


VIEW MORE
story-2
Retro Modern Bandit Pontiac Trans AM Comes With Burt Reynolds' Autograph

Slideshow: A modern Camaro transformed into a retro icon, this limited-run "Bandit" build blends nostalgia with brute force in a way few revivals manage.

By Verdad Gallardo | 2026-04-21 13:57:02


VIEW MORE
story-3
Top 10 Greatest Cadillac V Series Performance Models Ever, Ranked

Slideshow: Cadillac didn't just crash the high-performance luxury vehicle party, it showed up loud, supercharged, and occasionally a little unhinged...

By Pouria Savadkouei | 2026-04-16 10:05:15


VIEW MORE
story-4
Top 10 Most Powerful Chevy Trucks Ever Made!

Slideshow: Top ten most powerful Chevy trucks ever made

By | 2026-03-25 09:22:26


VIEW MORE
story-5
Hennessey's New Supercharged Silverado ZR2 Has 700 HP

Slideshow: Hennessey has turned the Silverado ZR2 into a 700-hp off-road monster with supercharged V8 power and a limited production run.

By Verdad Gallardo | 2026-03-24 18:57:52


VIEW MORE
story-6
Coachbuilt N2A Anteros Is an LS2-Powered C6 Corvette In Italian Clothes

Slideshow: A one-off sports car that looks like a vintage Italian exotic-but hides a C6 Corvette underneath-just sold for the price of a new mid-engine Corvette.

By Verdad Gallardo | 2026-03-23 18:53:41


VIEW MORE
story-7
Awesome K5 Blazer Restomod Comes With C7 Corvette Power

Slideshow: A heavily reworked 1972 K5 Blazer swaps its off-road roots for a low-slung street-focused build with modern V8 power.

By Verdad Gallardo | 2026-03-09 18:08:45


VIEW MORE
story-8
10 Camaros You Should Never Buy

Slideshow: There are thousands of used Camaros on the market but we think you should avoid these 10

By | 2026-02-17 17:09:30


VIEW MORE
story-9
10 LS Engine Myths That Refuse to Die

Slideshows: Which one of these myths do you believe?

By Verdad Gallardo | 2026-01-28 18:10:11


VIEW MORE