HOW TO KNOW IF OXYGEN SENSOR IS BAD demonstrated on BMW
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- เผยแพร่เมื่อ 23 ส.ค. 2024
- HOW TO KNOW IF OXYGEN SENSOR IS BAD demonstrated on BMW
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Hey guys, in this video we will show you how we diagnosed a bad down stream oxygen sensor on BMW 7 series E65 and E66. We demonstrated on a 2003 BMW 745Li downstream oxygen sensor. Ours had a P0036 Code that was gone once we replaced the oxygen sensor. The repair playlist for BMW e65 e66: bit.ly/2snnW4b
This might be helpful on( some models and engines might differ):
2002 BMW E65 E66 How to test oxygen sensor 745i 745Li 750i 750Li 760Li 730i 735i 740d 735d 730d
2003 BMW E65 E66 How to test oxygen sensor 745i 745Li 750i 750Li 760Li 730i 735i 740d 735d 730d
2004 BMW E65 E66 How to test oxygen sensor 745i 745Li 750i 750Li 760Li 730i 735i 740d 735d 730d
2005 BMW E65 E66 How to test oxygen sensor 745i 745Li 750i 750Li 760Li 730i 735i 740d 735d 730d
2006 BMW E65 E66 How to test oxygen sensor 745i 745Li 750i 750Li 760Li 730i 735i 740d 735d 730d
2007 BMW E65 E66 How to test oxygen sensor 745i 745Li 750i 750Li 760Li 730i 735i 740d 735d 730d
2008 BMW E65 E66 How to test oxygen sensor 745i 745Li 750i 750Li 760Li 730i 735i 740d 735d 730d
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Hey can you answer my question down???
Thanks for the video!
Don't pay attention to those jerks discussing your voice, rather then valuable information you're providing here.
Most of us here appreciate your effort you go to explain how different systems work on a particular car.
Cheers!
Man I don't know how human being are...
As for me his voice give me confidence!
Before I see your comment.
I was telling my self:
This is the kind of person I like to have
On my side to learn more about how to
Work or read scanners...
Love kind people and respect for them period!!!
I just want to say thank you lol I’m a back yard mechanic and ur the best u helped me with a lot of my cars
The most hated 7-series in the USA to ever exist. You're a brave man! :D
Fantastic primer! Thank you SO much for taking the time to explain and provide a great example!
You are looking for sensors 2, the downstream sensors which sole purpose is to tell the efficiency of the cat. They don't adjust fuel trim.
But, does it fix anything?
For my diesel 530d I have 2 Nox sensors, the upstream one is bad, does this affect fuel economy or is it just to measure Nox before and after the SCR Cat?
@@ir655 just to clarify: this video is talking about O2 sensors (AKA lambda sensors/probes) located on the exhaust manifold which has a built-in cat. There is 1 manifold per bank; sensor 1 is the O2 sensor before the cat (close to the head); sensor 2 is after the cat.
Sensor 1 is the regulating probe that controls air fuel mixture.
Sensor 2 is the monitor sensor that controls cat efficiency.
The NOX (Nitrogen Oxides sensor) is located in the middle of the exhaust system after the exhaust cat I think.
On the BMW N53 I6 engine there are 4 O2 sensors (2 per bank) and 1 NOX sensor
HTH
Thank you for your video guys I've been dealing with this same problem on my 2005 325xi. I've changed all o2 sensors except that same one but have the new one just having a hard time getting off the old 1 to put the new 1 in, but this video has shown me exactly what I was suspecting that was happening. So I can go ahead and take the measures needed to get my car back to 💯%. Thank you for your video I was great help. Keep it up guys.
Thanks so so much, you’re making life easy for many people.
Amazing video I was trying to pin point if my issue was my o2 sensor or if it was more the chart really helped me find out
Awesome stuff bud, exactly what i needed to know about diagnosing my dodgy O2 Sensor. Thank you!!!
what does that SHRTFTB1S2 99.2% mean or stand for ?
It's the upstream O2 sensors (sensor 1) that are used for fuel ratio and they're supposed to go up and down on the graph between 100 and 900 mV approximately.
You're looking at downstream sensors (sensor 2) which only show the catalytic converter efficiency and no, they are not supposed to go up and down and they don't control fuel ratios.
Very late reply, but my car has a catalytic converter working below threshold code, however it also occasionally has a rough idle and tends to stall the engine. Could these be related? Is it actually the sensor after the cat that’s causing issues and could it be responsible for the engine dropping out?
@@chrismoss9953 i'm not a professional mechanic, i just do this as a hobby but yes, it's absolutely possible your catalytic converter is getting clogged and it's chocking the engine. You can test it by taking out the "upstream" O2 sensor (not the the downstream one you're getting a code for) and connecting the exhaust pressure gauge. If you don't have one you can rent it from AutoZone or just try running the engine with the upstream O2 sensor removed. (You can find YT videos about these).
This will trip the check engine light and it will make a lot of noise but if your car runs smooth and no longer stalling, chances are your catalytic is bad.
In extreme cases catalytic converter can even fall apart and then your engine can suck in small pieces like on my dad's Altima and it will destroy it completely. Don't ignore it, get it checked.
It's also possible that you just have a bad downstream sensor and the two issues are completely unrelated. The downstream sensor are usually much cheaper than the upstream. Go with the OEM sensor in case you decide to get one but do your troubleshooting first, don't just throw parts at your car. Rock auto is a good place to get them cheaper.
Do you also feel power loss when accelerating?
@@Mickey_Bauer i don’t know who you are or where you came from but you are the hero I needed
Thanks, I've never seen this explained before.
Hey I have smoke coming in through my air vents, what do I do?
Awesome explanation. Thanks for showing the live data. Now I understand it better.
Good job bro,
Alots of respect from NYC
Great video! I have a 2008 M6 and my emissions light came on saying engine malfunction. Do you think it could be because of a bad oxygen sensor? I feel a slight decrease in performance too...
Thank you. Very easy to understand the reading. Very helpful.
Hello you have always good tutorials but i have a question, i buy the same Scanner but my ML status is off and by your Scanner on, and i have not the long lust what you se in your video.
Do i something wrong? I have a 525d 2005
Wonderful job. Thanks man.
Thanks for all your videos. very informative. I understand you perfectly!
ARG, Great vid on interpreting OBD2 live data in regards to O2 sensors. Is it a bad idea to just replace all O2 sensors together in one fell swoop? Or just do the specific O2 sensor that triggered a failure? Just recently it tripped the downstream O2 sensor. I just got a used hi-mile 2009 Camry (175,000 miles) and did a huge tuneup. Im in the mode of replacing lots of items to ensure I know the baseline health of the vehicle. -----Thanks & keep up the great work.
Do them all. Theyre all probably at least slow to respond now and will eventually die as well. Plus with the pair done for each Bank, it keeps everything leveled out. On your Toyota, it doesnt use the downstream O2's as much for actual AFR reading/ecu fuel adjustments. That would be more of the upstream O2 sensors job.. But doing all 4 would make more sense if you have the budget for it and plan on keeping the car..
Great video helped me a lot 😊
Great video!!
Hi guys, I have a 05 X5 4.4I N62 V8 and I got a code P02184 and my temperature gage is in the red zone as if the vehicle is overheating what do you think might be the issue bad circuit or fues or coolant sensor 2 ?
Looks like a good video. But the O2 sensor you show at the beginning is not a downstream sensor but an upstream sensor. There's no way the electrical cord is that short for a downstream sensor. That is short because its an upstream.
Hey repair guys. Can i put a universal sensor on my scooter?Will they play toghter? And how can i know that they play together
You just got my subscription. Clear and to the point.
After you change the sensor do you have to reprogram something or just deleting the code will be enough?
I posted on a few of there videos to & left comment to see where they were located but never a replay back & it's been months but they always have great videos on BMW & others but I have a E66 bimmer & watching there videos helps get a DIY' like myself help save $ on not having to take it to a place that's going to tax you ,But if these guys are in Cali I would like them to do a lil work on my Ride again great videos keep up the good work
Mid way on passenger side!
Hi,
I'm getting a constant 4x4 error light on my 2006 BMW X5 E53. I was wondering if you could advise what might be causing it and also a rough idea about the cost to fix it.
Best regards
Can an oxygen sensor be faulty without reporting an DTC? What is the best way to test it, can it be cleaned maybe?
I have problems on cold start for a few seconds the idle is rough, and afterward everything is good i would say. All glow plugs are changed and the relay too.
The car is E91 LCI 318D 105kw 11/09, it has only 1 oxygen sensor I would say only on the DPF, next to the temperature exhaust sensor and the pipe for pressure sensor.
Thank you for the answer in advance.
Why it did not show O2B1S1 and O2B2S1 (pre-cat), is that both pre cat O2 are bad? What does O2SLOC means?
Hi.
Can you please help me, I'm getting voltage in 3 of the 4 wires in the o2 sensor plug, this is not good, right?
Thanks
Very nice for the walk through!!!! Thanks
Great but it leaves a question.
Did you replace the O2-sensor-B1 upstream before the catalytic?
Or...
O2-sensor-B2 downstream after the catalytic?
Thankx for your video, it educative, you are ingenious, keep it up
Thank you so much Guys... Great Video.... From Best Choice Motors.. Thank You.
Hi guys thank you so much for your explanation this is so helpful and clear. I need you help, I have scanned the present code for my BMW 330i 2006 E90, seems like i need to change the oxygen sensor but i don't know which one and what to buy exactly since this will be online. Kindly advise me and if possible send me a link on where to buy good spare.
My code are
2CA7: Oxygen sensor heating before catalyc converter 2, function.
2C3F : Oxygen sensor before catalyc converter 2, line fault
2A87: Exhaust VANOS, mechanism
2DEC: Power management, battery monitoring
Hi broo!!
Now that you're talking
About this and teaching .
Honda Pilot 2003. 3.5
Just to
Two sensors for both banks.
Engine cold just switch on.
Reading Volts on both sensors.
Bank 1. S1 1.275V
Bank 1. S2 0.035V
Do you see a problem HERE???
If yes! Where??
Thanks for your advice!!
very informative, I didnt know how to check the o2 sensor is good or not but now I know, thanks
wow this was a super useful video.
What is the DIAGNOSTIC TOOL KIT YOU ARE USING FOR THE BMW
If German is your first language then I say, Vielen Dank für Ihre Anweisung.
I worked with a guy for years with that voice, we drank alot of vodka on our breaks, no shit.
How does the O2 sensors BEFORE the Cat Converter show up on the scanner?
thanx guys for the information you give
Soo my e46 is running weak
When check engine light on it say lean bank 1 an 2 so add fuel an runs way better bmw say o2 sensor but I feel like it mite be a f filter or injectors.. what do you think with that little info
Ne help be much appreciated I don't got no money so don't wanna put out extra money to fix problem
I can't afford to
I have a little jerk when I put on gas is it my sensor because I feel like I am not getting enough power
Hey guys does the Nox sensor on my e91 n43b20 do the same thing, as I've been told by a garage that mine is shot. I was concerned about the cars erratic driving at slow speeds
great video
Excellent video. Thanks
Thanks for the good explanation.
I'm also a subscriber looking forward to more.
My 118d is showing lambda11 1.999 at idle is this ok? Also 02s11 0.856v
Awesome, thanks!
Nicko is that you my brotha ?
Love the video. Thank you
Can you please tell me what the model number is on the DiagLink scanner you're using? I'd like to buy one. Thanks!
I wanted to know too.... may be this one Autel OBDII OBD2 Code Reader Diaglink?
Hey guys he left a link for the scanner he used on this video
Very helpful,thanks
Thanks
very good job!!!
Can you tell Code 2843 this is oxygen sensor ?
What is a normal values ranking of H02-S1 @B1 sensor
wow thank you
Hi mi scaner not active sensor but i hace reeds.is normal?
my friend thank you
I have bank 1 sensor 2 code.bmw e46 2002 325i.so bank 1 sensor 2 is in the left side near cylinder 1-3?
The o2 sensor can blow the fuese ?
0 volts for me on bank 2 sensor 1, could it be a bad sensor or just wiring issue?
thanks for the video.
Have the same issue. Can anyone help me locate this sensor in BMW e92 N43? Cant find the part number of it. Help
seriously those oxygen sensors goes bad when they age. It doesnt throw any fault codes, the car simply runs lean all the time for nothing. And you performance sucks really bad! Replacing it with a new oem one really makes the car alive again.
Good video brother !
does not understand the function of the downstrean o2 sensor bad video, upstream sensors adjust fuel mixture, downstream verify cats are working
Of course!
But was bad...
And this is all about...
Good vid. Thanks.
Hi guys! Question, how important is it to replace O2 sensors in pairs? Or to have the 2 upstream or downstream to be the same brand? I have a 2011 328i Xdrive and I'm replacing bank 2 sensor 2, ordered an NTK, I believe original should be Bosch. Should I just attempt to clean the working bank 1 sensor 2 so there is a better chance they will work evenly?
good stuff!
Top video thanks for sharing :-)
short tirm fuel o2 sensor 2 99.2 what that "99.2" reading mean??? ist ok ? or no
That's a reading that for some
Reason pcm give the scanner
To makes him happy!!
But nothing wrong...
Just that!
Hey is not funny!!
Is true...
Thanx
with a voice like that you should be in the movies .....
Specyfic accent, Germany ? But it’s easy to understand;)
E90 2011 323i
How often does bad O2 sensors cause a bad catalytic converter code?
always
jenni thompson I’ve waited a year for this. Thank you 😂
good job man
Много ме кефи тоя български акцент :)
Mine are constantly updating without revving
Are you guys in Irvine? Lol
I don’t want to be mean, but I wish I could understand you better, cause I’m looking for information on this subject and I can’t understand you seriously, try using a voice app, would really help those of us who really want to know what you are saying on this subject
please am having a gear problem with my Honda car accord Automatic, The Gear will not change until i accelerate to 4000r/mins and the fuel consumption is high. we be glad if anyone can update me on how to solve the issue
Through the conversion torque test you shall find out the problem of this car.
Get a new car problem solved 😁🙈
You change this sensor oxigene for diesel oder for benzin motor différence ok y warting résultat from schekup from diagnostic electrique 12v and motor benzin for my
Good job comrad Mr Purin probably piss off now cause one of his top dawg decide to be mechanic. Lol
Jonathan Bolagner That’s not funny; this guy would most likely kick your lame ass.
Дай на български , ще е по-ясно за всички
Check 2008 kia Rondo
great video, thanks!!
Signs of a bad car!!! Just look for the letters F. O. R. D. That will typically be a tell tell sign. so just stay way from them
The car dosent use the downstream sensors for fueltrim.... Some car does.
It's not a tumor!!
6:20 Now the sensor 2 doesn't move when you hit the gas, the sensor 1 was exactly like that before change it. Mmm...something is wrong here.
it did move.