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Subject: "O2 sensor question." Previous topic | Next topic
nosdeclipseOct-26-04 12:39 PM
Member since Dec 17th 2002
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#78652, "O2 sensor question."




          

I just got done doing a rebuild. I have been driving the car around n/a for about 350 miles now. I have a datalogger so i was checking my codes. I keep getting an o2 lack of activity bank 1 sensor 1. I know this is the upstream o2 sensor. now, i pulled it up on the sensor data. the o2 sensor holds completely steady around .51 while at idle, it doesn't move. when i rev it or drive it, it works fine. the cel only comes on if i leave it idle for a minute or two when the sensor isn't changing voltage. is this a sign of a bad o2 sensor or something else?


98 eclipse gs
star stage 2 w/ bb, 8.6:1 je pistons, eagle rods, web turbo grind cams, udp, clutchmasters aluminum flywheel, clutchmasters stage 3 clutch, hks aic 3, 8 injector setup, phantom grip lsd, datalogger

  
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Replies to this topic
RE: O2 sensor question., Ark, Oct-26-04 12:46 PM, #1
RE: O2 sensor question., nosdeclipse, Oct-26-04 01:06 PM, #2
      RE: O2 sensor question., Ark, Oct-26-04 01:10 PM, #3
           RE: O2 sensor question., nosdeclipse, Oct-26-04 01:26 PM, #4
                RE: O2 sensor question., Teametx, Oct-27-04 05:46 AM, #5
                     RE: O2 sensor question., Global Ruler Of All ThingsDarkOne, Oct-27-04 06:00 AM, #6
                     RE: O2 sensor question., AdministratorCODE4, Oct-27-04 07:27 AM, #7
                          RE: O2 sensor question., nosdeclipse, Oct-27-04 11:33 AM, #8

ArkOct-26-04 12:46 PM
Member since Aug 31st 2004
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#78653, "RE: O2 sensor question."
In response to Reply # 0

          

Originally posted by nosdeclipse
is this a sign of a bad o2 sensor?

More than likely. Swap known good for bad if you're in a bind for money to make sure.

__________________________________________
~Chris

forums.kaptainmyke.com/index.php?&act=garage&CODE=12&CID=8
- AGP CAI
- AGP EVM
- MOPAR Stage 1 ECU
- 500cc Injectors

And he wonders why he couldn't make her happy...and someone obviously hasnt moved on. lol

  
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nosdeclipseOct-26-04 01:06 PM
Member since Dec 17th 2002
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#78654, "RE: O2 sensor question."
In response to Reply # 1



          

no where near being in a bind for money, just wondering what the problem might be. i just thought if the o2 sensor was bad that it wouldn't read at all.


98 eclipse gs
star stage 2 w/ bb, 8.6:1 je pistons, eagle rods, web turbo grind cams, udp, clutchmasters aluminum flywheel, clutchmasters stage 3 clutch, hks aic 3, 8 injector setup, phantom grip lsd, datalogger

  
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ArkOct-26-04 01:10 PM
Member since Aug 31st 2004
1570 posts, 		Click to send email to this author Click to send private message to this author Click to view this author's profile Click to add this author to your buddy list
#78655, "RE: O2 sensor question."
In response to Reply # 2

          

Originally posted by nosdeclipse
no where near being in a bind for money, just wondering what the problem might be. i just thought if the o2 sensor was bad that it wouldn't read at all.

It's a heated element. It can get stuck in a certain range.

__________________________________________
~Chris

forums.kaptainmyke.com/index.php?&act=garage&CODE=12&CID=8
- AGP CAI
- AGP EVM
- MOPAR Stage 1 ECU
- 500cc Injectors

And he wonders why he couldn't make her happy...and someone obviously hasnt moved on. lol

  
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nosdeclipseOct-26-04 01:26 PM
Member since Dec 17th 2002
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#78656, "RE: O2 sensor question."
In response to Reply # 3



          

alright, thanks for the info. i just thought it was weird.


98 eclipse gs
star stage 2 w/ bb, 8.6:1 je pistons, eagle rods, web turbo grind cams, udp, clutchmasters aluminum flywheel, clutchmasters stage 3 clutch, hks aic 3, 8 injector setup, phantom grip lsd, datalogger

  
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TeametxOct-27-04 05:46 AM
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#78673, "RE: O2 sensor question."
In response to Reply # 4



          

Actually, Bank 1 Sensor 1 should be your post-cat O2. Precat would be Sensor 0, unless your software is retarted.

____________________________________________________
four nails four corners four riders and four horses

  
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Global Ruler Of All ThingsDarkOneOct-27-04 06:00 AM
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#78676, "RE: O2 sensor question."
In response to Reply # 5



          

Originally posted by etx
Actually, Bank 1 Sensor 1 should be your post-cat O2. Precat would be Sensor 0, unless your software is retarted.


indeed.

______________________________
If a sentence found online has 35% misspellings or greater and includes at least two racially charged expletives, chances are it is a YouTube comment.

'95 Eclipse TurboGS (garage deco)
'95 TSi AWD (restoring a survivor)
'97 Talon ESi-T (poor impulse control)
'99 Eclipse RS-T (daily beater)
'13 Evo X (mostly stock)
'17 Sienna (Middle Aged Dad Mobile)



Factory Service Manuals: http://nawdu.de/files/

  
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AdministratorCODE4Oct-27-04 07:27 AM
Member since Nov 23rd 2003
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#78677, "RE: O2 sensor question."
In response to Reply # 5



          

Originally posted by etx
Actually, Bank 1 Sensor 1 should be your post-cat O2. Precat would be Sensor 0, unless your software is retarted.


Not to disagree with you, but I have never seen the upstream referred to as Sensor Zero. On Snap-On MT2500 scanners as well as Genysis Scanners upstream is Sensor 1 and downstream is Sensor 2. emoji

That is my experience.

---

2012 2500HD LML

  
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nosdeclipseOct-27-04 11:33 AM
Member since Dec 17th 2002
618 posts, 		Click to send email to this author Click to send private message to this author Click to view this author's profile Click to add this author to your buddy list
#78683, "RE: O2 sensor question."
In response to Reply # 7



          

mine reads, sensor 1 and sensor 2. sensor 1 is upstream. i really think the sensor is bad now. i was logging it today and it was stuck at 1.275v for about a minute and a half.


98 eclipse gs
star stage 2 w/ bb, 8.6:1 je pistons, eagle rods, web turbo grind cams, udp, clutchmasters aluminum flywheel, clutchmasters stage 3 clutch, hks aic 3, 8 injector setup, phantom grip lsd, datalogger

  
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