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Old 07-09-2014, 03:30 PM   #1
wasp9166
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02 sensor fault codes, anyone had it fixed?

http://www.e46fanatics.com/forum/sho...57&postcount=1


it's getting real fin annoying, i gota clear em everyday on an hour commute each way, dealer says i'd have to pay $250 for the fix

why the f should i pay if it was wrong from the get go?


wondering if anyone has actually had it fixed, and thanx to jb for the heads up, tho i see he hasn't posted in 3 years, what happ?
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Old 07-09-2014, 03:37 PM   #2
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I'm confused. If the car has the current firmware, then years after it is loaded and the car starts having codes for bad sensors, then how come you reject the idea that the sensors are bad? The O2 sensors live in a very hostile environment and they require replacement from time to time.

Without knowing anything else, particularly what the code(s) is(are) then I have to say that you probably need sensors. Having said that, if the sensors are throwing lean codes, P0171 and P0174, then my vote is that you cure the intake leak before you do anything else.
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Old 07-09-2014, 03:40 PM   #3
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again with your dribble?

been throwing codes since i owned it

6 yrs

2973
and 2974

do you read?
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Old 07-09-2014, 04:26 PM   #4
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So what are the standard OBDII codes that are triggered and how about some Freeze Frame Data?

Also what month and year is was the car built?

Do you know if the car has standard or wideband O2 sensors?

Do you have Torque Pro?
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Old 07-09-2014, 04:33 PM   #5
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Quote:
Originally Posted by jfoj View Post
So what are the standard OBDII codes that are triggered and how about some Freeze Frame Data?

Also what month and year is was the car built?

Do you know if the car has standard or wideband O2 sensors?

Do you have Torque Pro?
haven't read obdII , yes i have tq pro, use it for my mazda

built 11/03, no idea what type of sensors

no idea how to get freeze frame data
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Old 07-09-2014, 05:38 PM   #6
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Given the build date, I believe these are narrow band or standard O2 sensors.

If you have Torque Pro, it can pull the Freeze Frame data. Also Standard OBDII codes will beat the BMW code hands down.

Also record the O2 sensor data for 3 minutes on cold start and send me the .csv file.

See this thread for what we are looking for - http://forum.e46fanatics.com/showthread.php?p=16203241
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Old 07-09-2014, 05:39 PM   #7
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SI B12 08 05
Engine Electrical Systems
July 2005
Technical Services
SUBJECT
MS45.1 Oxygen Sensor Faults 2960, 2961, 2973 and 2974
MODEL
E46 3 Series (All models except 325xi and 330xi)
E60 5 Series (525i, 530i)
E83 X3 (All Models)
SITUATION

Customer complains the Check Engine Lamp is illuminated. Any of the following fault codes may be stored in the DME.

FC 2960 Exhaust Temperature Too High After Catalytic Converter Bank 1
FC 2961 Exhaust Temperature Too High After Catalytic Converter Bank 2
FC 2973 Oxygen Sensor Before Catalytic Converter Bank 1
FC 2974 Oxygen Sensor Before Catalytic Converter Bank 2
CAUSE

The DME Oxygen Sensor internal adaptation is incorrect.

PROCEDURE

Reprogram the DME using DIS CD 39.1 or CIP 13.2 or higher.

WARRANTY INFORMATION

Covered under the terms of the BMW New Vehicle Limited Warranty.

Refer to appropriate KSD CD for labor allowance.
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Old 07-09-2014, 05:51 PM   #8
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Quote:
Originally Posted by pcarney View Post
SI B12 08 05
Engine Electrical Systems
July 2005
Technical Services
SUBJECT
MS45.1 Oxygen Sensor Faults 2960, 2961, 2973 and 2974
MODEL
E46 3 Series (All models except 325xi and 330xi)
E60 5 Series (525i, 530i)
E83 X3 (All Models)
SITUATION

Customer complains the Check Engine Lamp is illuminated. Any of the following fault codes may be stored in the DME.

FC 2960 Exhaust Temperature Too High After Catalytic Converter Bank 1
FC 2961 Exhaust Temperature Too High After Catalytic Converter Bank 2
FC 2973 Oxygen Sensor Before Catalytic Converter Bank 1
FC 2974 Oxygen Sensor Before Catalytic Converter Bank 2
CAUSE

The DME Oxygen Sensor internal adaptation is incorrect.

PROCEDURE

Reprogram the DME using DIS CD 39.1 or CIP 13.2 or higher.

WARRANTY INFORMATION

Covered under the terms of the BMW New Vehicle Limited Warranty.

Refer to appropriate KSD CD for labor allowance.
so since i have 72k but it was doing it at 44k, i'm sol huh
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Old 07-09-2014, 05:53 PM   #9
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Quote:
Originally Posted by jfoj View Post
Given the build date, I believe these are narrow band or standard O2 sensors.

If you have Torque Pro, it can pull the Freeze Frame data. Also Standard OBDII codes will beat the BMW code hands down.

Also record the O2 sensor data for 3 minutes on cold start and send me the .csv file.

See this thread for what we are looking for - http://forum.e46fanatics.com/showthread.php?p=16203241
don't know how to use tq pro except to read codes, i do it via bluetooth

i'll read them with it next time, prob tomm lol

how to pull freeze frame data and record for 3 minutes and save ?
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Old 07-09-2014, 06:23 PM   #10
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Quote:
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don't know how to use tq pro except to read codes, i do it via bluetooth

i'll read them with it next time, prob tomm lol

how to pull freeze frame data and record for 3 minutes and save ?
Toque Pro crib notes - http://forum.e46fanatics.com/showpos...21&postcount=5
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Hidden OBC Menu - Check Voltage, Temps, Fuel Level - http://forum.e46fanatics.com/showthread.php?t=239619

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Lower hose fan switch O-ring - BMW #13621743299
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Old 07-09-2014, 06:44 PM   #11
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ok, will prob do this sat, but will post what codes are read tomm


just curious, what do you do for a living
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Old 07-09-2014, 06:52 PM   #12
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just curious, what do you do for a living
As little as possible, but not working on cars anymore, been MANY years since I actually worked on cars for $$.

Not much of a challenge these days, at least for me.
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Old 07-09-2014, 06:54 PM   #13
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As little as possible, but not working on cars anymore, been MANY years since I actually worked on cars for $$.

Not much of a challenge these days, at least for me.
soooo, a retired mechanic ? private or dealer ?

i should also ad, i have hesitation, almost sputtering only between 75 and 85 mph when accelerating , no other area of driving gives me any problem

i'd say prob most pronounced when giving gas at 82mph on highway, seems odd but i read other's having this issue in the 330 so i let it be
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Old 07-09-2014, 07:07 PM   #14
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soooo, a retired mechanic ? private or dealer ?

i should also ad, i have hesitation, almost sputtering only between 75 and 85 mph when accelerating , no other area of driving gives me any problem

i'd say prob most pronounced when giving gas at 82mph on highway, seems odd but i read other's having this issue in the 330 so i let it be
25+ years since I turned wrenches for myself, never at a dealer as you do not use your head at dealers much.

Once you get data, will go from there. You will also be able to record the OBDII data stream with Torque Pro for the 75-85 MPH range to gather data as well.

Need to see fuel trims, ignition timing, RPM and other data to get an idea what may be going on.

What trans is in the car? Auto or manual?
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Hidden OBC Menu - Check Voltage, Temps, Fuel Level - http://forum.e46fanatics.com/showthread.php?t=239619

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Lower hose fan switch O-ring - BMW #13621743299
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Old 07-09-2014, 07:14 PM   #15
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Quote:
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25+ years since I turned wrenches for myself, never at a dealer as you do not use your head at dealers much.

Once you get data, will go from there. You will also be able to record the OBDII data stream with Torque Pro for the 75-85 MPH range to gather data as well.

Need to see fuel trims, ignition timing, RPM and other data to get an idea what may be going on.

What trans is in the car? Auto or manual?
step...............allright , i'll do the o2 stuff for starters
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Old 07-10-2014, 09:44 AM   #16
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2973 Oxygen Sensor Before Catalytic Converter Bank 1 and 2974 Oxygen Sensor Before Catalytic Converter Bank 2 do not tell us anything. Use an OBD II scanner and give us something we can use.

You do not know if the sensors are reporting rich or lean, or if the heaters have blown. or whatever.
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Old 07-10-2014, 10:50 AM   #17
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Subscribing to this thread. I have the same issues and I posted a thread and codes below. Turned out that I most likely have wideband O2 sensors so I could not gather voltage data to graph them. Here is my thread:
http://forum.e46fanatics.com/showthread.php?t=1035418

I too have hesitation when I try to accelerate above 120 Km/h. Every time that the codes have shown up is when I am on the highway, cruising along and I needed to accelerate to pass somebody or such. Would be interested to see what the issue turns out on your car to be. My build date is 05/2004.
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Old 07-10-2014, 03:01 PM   #18
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ok jfof, first step, read codes with tq pro, got em both on drive in and home from work

p2237
p2247

powertrain - o2 sensor positive current control circuit/open bank 2 ,sensor 1

" bank 1 , sensor 1


i'll do other sat, should be able to figure it out, i was skimming thru the tq pro, i'm amazed at how many diff things it can do, time to sell the peake
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Old 07-10-2014, 03:35 PM   #19
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ok jfof, first step, read codes with tq pro, got em both on drive in and home from work

p2237
p2247

powertrain - o2 sensor positive current control circuit/open bank 2 ,sensor 1

" bank 1 , sensor 1


i'll do other sat, should be able to figure it out, i was skimming thru the tq pro, i'm amazed at how many diff things it can do, time to sell the peake
If you did not clear the codes/SES/CEL/MIL, can you get the Freeze Frame data and post this?

If not, get the Freeze Frame data next time the SES/CEL/MIL is triggered.

Yea, the Peake Reader is a bit of a boat anchor in my opinion, HIGHLY over rated and very under whelming. The only thing it has a slight advantage on is BMW Specialized codes, but these Specialized codes do not trigger the SES/CEL/MIL.

From Bentley manual:

P2237 - O2 Sensor Positive Current Control Circuit/Open Bank 1, Sensor 1
P2247 - O2 Sensor Positive Current Control Circuit/Open Bank 2, Sensor 1

So it is unclear exactly what this means and if this is an intermittent problem??

I believe, your car has wideband Lambda sensors? I think they started using them in 3/03?

So you may not be able to get the the typical Voltages that I am looking for.

I have yet to work out a solid way to really flag the wideband O2 sensors. But maybe your data along with some other data will give me more insight.

Also would like to see Fuel Trims at warm idle and steady highway cruise 50-65 MPH.
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Old 07-10-2014, 03:38 PM   #20
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ok, i'm confused , what are we doing next?

yes i cleared them twice today, can't stand the light , i've been clearing them for 30k miles ,lol



so as of now, i need to run tq pro when light is on , but i'm still lost what options i am selecting and what to run?

what am i selecting to log ? is test settings actually running the log?

car running or pos 2?

we doing this before cold start test?
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