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Discussion Starter · #1 ·
2012 Murano -
Check engine light on
OBD code P0101 = MAS
Replaced mass air flow sensor, cleared codes
check engine light goes on and off without any reason and codes come up as same problem
replaced engine air filter,
check engine light on and off again and codes keep returning
No effect on vehicle performance.
Anyone have any ideas?
 

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So I had the same issue. I'm about to order this part Air Boot. Shop told me that there were cracks in the rubber which was allowing for a negative air pressure reading. This was setting off the Air Flow Sensor code. Going to order it today and put it in soon (won't have much else to do with all of this quarantine crap going on).
 

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Discussion Starter · #3 ·
So I had the same issue. I'm about to order this part Air Boot. Shop told me that there were cracks in the rubber which was allowing for a negative air pressure reading. This was setting off the Air Flow Sensor code. Going to order it today and put it in soon (won't have much else to do with all of this quarantine crap going on).
Thanks for the reply. I looked at the boot and couldn’t see any cracks. Hope this works for you.Tell is all if it works.
Enjoy the quarantine, time I’m heading to the mountains to ski. The haven’t banned skiing here.... yet.
 

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So I had the same issue. I'm about to order this part Air Boot. Shop told me that there were cracks in the rubber which was allowing for a negative air pressure reading. This was setting off the Air Flow Sensor code. Going to order it today and put it in soon (won't have much else to do with all of this quarantine crap going on).
Any updates on if replacing the boot helped? I have the identical issue on my 2011 Murano.
 

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Altima FTW
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Nissan has an issue with MAFs across the board. Most of the time a reflash of the ECM will take care of it as long as rubber intake boot is not cracked.
 

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I'm of the mind that that reflash is a result of less than stellar original software writing, the engines change as they get older and the software did not learn enough to prevent issues, the realworld situation then ends up outside the parameters of the software.

Another pre-planned trick to force more dealer throughput? You'll have to be the judge. They save money writing software to later get more from not doing it completely. I would have never thought Nissan would do that, but Ghosn's Nissan? In a second.
 

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2012 Murano -
Check engine light on
OBD code P0101 = MAS
Replaced mass air flow sensor, cleared codes
check engine light goes on and off without any reason and codes come up as same problem
replaced engine air filter,
check engine light on and off again and codes keep returning
No effect on vehicle performance.
Anyone have any ideas?
I am having this issue too. Dealership was supposed to do a diagnostic, but none done. Replaced the sensor, and the VIAS Assy. The service guy said a REprogram would be needed and done. but they didn't do it. I can't get the answer if it needs one. Calling around, say have to bring it in, and has to be hooked up to computer for another diagnostic fee, and what it needs goes by VIN. Someone on here said something about a software update, but what kind I don't know. Daughter took it in to a mechanic in NJ, and they only did a diagnostic on charge system. Can't get any of them to run a full diagnostic! I wonder if its a circuit issue too. Also, Nissan did a Throttle body cleaning 2nd time. Not sure if that is resolved now. Also, we did have a new boot put on in 2019. I have read this code is an issue with the Nissan? a software? or maybe computer update/reprogram? supposedly only Nissan can do? I wish i knew where I could call to find out. Nissan dealer not responding now. Never have i experienced a dealership who won't finish resolving a safety issue. Also emission. I have kept the vehicle up. it has 100K on it now. 2011 SL Murano.
 

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There is nobody on earth that you can call to lay all that out for you and insisting on it is likely one reason Nissan is no longer talking to you.

A mass air code is not a safety issue. And saying they didn't do any computer update, and saying they did all in the same sentence with no proof of anything, well..............

I myself told you you likely needed a MAF update but now you say you don't know, making the problem here pretty clear.
 

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What?
I apologize, but where did you say I would "likely" need an update? Likely doesn't mean for sure. Is it bc you need to know the VIN? Is an update the same as a Reprogram? What info is needed to know for sure?
I can't see that I said they did and did not do an update. Which sentence (line)? I apologize for any confusion by how I wrote it.
The safety issue is the Murano was dead when we go to start the car (We have gotten a new battery since though not sure it that has resolved the problem). The code was P0101. But also there are loose steering issues after they got ahold of it. But that is a question for another place.
In reading up on things if no re program is done when one is needed, it can cause all kinds of problems like charging issues. Is my understanding correct? If battery was disconnected will that work in place of a reprogram?
It is difficult to figure how to organize the information to share on here, of what would be relevant to assess. It is not simple to me.
And what is pretty clear? I don't care what you think of me, I just want my daughter safe. I hope this doesn't sound too harsh. My daughters school is next to Trenton NJ, a very dangerous place.

I do appreciate that you are responding to peoples issues. You show to add great value to this community. Realize I do have feelings. And I am a mother very concerned for my daughter.
How do I approach all of this?
 

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'I can't see that I said they did and did not do an update.'
post #9......
'The service guy said a REprogram would be needed and done. but they didn't do it.' There is a difference in future/past tense but the implication is pretty clear.

'...where did you say I would "likely" need an update? Likely doesn't mean for sure.'

In another thread you answered to......


MY reply in post #16......
'You need the computer update more than the MAF but they will not admit that.'

You question the overall statement then make it in effect worthless by deciding the meaning of 'likely' for yourself when it was already in play with another meaning. And it wasn't even in the orginal statement. So, incorrect and incorrect about the incorrect. Why I say SLOW DOWN. You will look like a fo-l (trying to be nice but I DO have to get the point across) going into a dealership with words like that, I'm pretty sure you can't be wanting that.

A reprogram and update are the same thing. You need the VIN but car has it on it. Disconnected battery is NOT the same as a reprogram or update.

Consider carefully............ALL computers in cars are just like the one at home. They have special operating instructions that are locked in and do not change unless they are updated, like Windows does with Windows Update. That set of instructions stays in place when the computer gets shut off (battery disconnected). When they reprogram, or update, or reflash (another term meaning same thing) they are making slight changes in that master set of operating instructions to hopefully make car work better.

No OEM considers a car parked but not starting a safety issue. By extension I can see how it could be but they are not legally responsible for where you park it to bring on trouble.
 

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OK thanks for the clarification!
Ok, if its not updated, it will have issues, right? And if it wasn't done on May 22, can it damage parts like battery, compressor going out (bc of a spike, etc), alternator issues? I understand about it being a computer. And how things won't work right without an update, and reboot. I even wonder if they want it to look bad, bc they want cars, and are offering 5K above value. The car looks great. And has always worked great until last November.
If so, can it be proved? Bc it had a clean bill of health that day. but also, i noticed a bunch of metal fragments on top of the manifold i think it is called? it had to be from when Kyle put on the VIAS Assy. couldn't that get in the condenser? (The cover was off bc they were to change it, bc they cracked it).
Also, it can be proved if it was done or not can't it? Bc the tech has to sign in, and down load a file, etc and the directions said to print out for the customer for proof for the warranty, as i was digging into training etc. But no one can see that it was done, so it must not have. The mechanic verbally said it was done. But there is no proof.

I just want it done, we paid over $840 in part just to get the programming (Rico had talked about). I still wonder about the VIAS ASSy too. had no issues, no VIAS code even during the emmission inspection at 7:50. at 9:50 or so, that code showed up along with P0101. under time it said 0. The P0101 time said 17 i think. I don't think it was running rough or anything.
The engine light had just come on on the 10 minute drive over. was solid. I read this code was an issue with Murano. The book said to clear, and check the gas cap, if tight. If I was there, I would have got a new gas cap first. But they said they did a diagnostic, and it needed what was replaced. When my husband got back with the car, i looked, and there was no diagnostics! did not look for the source of the code at all!
Daughter on a trip the next day, then working 3 jobs, plus is a performing artist (singer) so finally much later able to go in.

The Nissan dealer in NJ said they would need to do ANOTHER diagnostic.
Was trying to get Chantilly dealership approve them to fix it right. It is under warranty. Or maybe I don't need their approval?
They claim the Priority for Life- lifetime warranty of service and parts. But is that for all fixes, or just if bought at their store? Can't even get an answer for that so far. They say can get it done anywhere in the U.S.
 

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You can go to any dealer in the US. Proving things done wrong? They will put up an expert and you better have one as well in court ti refute what they say or a waste of time. Yes, dealers do lots of things wrong and even with criminal intent but so does everybody else now, one literally has to be ready to sue everybody they do any sort of business with as the American ideal of work ethic and honesty is dead.

I saw this coming 40 years ago and why I have always tried to do my own work on anything, house, cars, computer, anything. That way I always have full access to the person messing things up and life has been pretty good.

My son and I call your problem a 'Rule of McDonalds' one, long ago I gave him lessons when he was a kid about watching how well they do their work and how many mistakes could he find. Then I explained that at some point all those people who didn't care about whether they did correct work or not would be moving out into the greater world to be in higher positions and doing the same amount of damage only it would be magnified by how high they had gone to do even more messed up works. That is the 'rule', it replaces the Peter Principle, the one that says one can only go as high as his own incompetence, now they go MUCH higher than that, commonly messing up the most simple of logical things to destroy literally everything yet getting the pay of much higher people.

How one gets to utterly stupid behavior like 'truth is not truth' and people are eating babies.

You can go to and get through college now and still be so stupid you can't think your way out of a paper bag, seen it countless times now. We used to have to go through 3-5 new workers when I ran businesses to get a 'keeper', now it is not unusual to go through 30 new people and every last one of them is worthless, you let one go in a week and the next one is even worse. Bad enough the businesses simply quit letting them go using the reasoning they were simply spending way too much money hiring people. They now tell you as a manager you have to work with what you got, well it was always that way but still it is impossible now to get all the things done in a day that higher management expects and why I quit managing auto parts stores.

The dealerships now consider it good to even get people smart enough to simply unscrew and screw in a spark plug without major engine damage and the really good computer people who can figure out the more involved issues will be snowed under as most dealers can't afford that kind of person (they will absolutely refuse being the pro-business R type that cannot acknowledge there are things they cannot steal) even though it is utterly killing them not to.

We are in a whopping world of hurt now. I understand not wanting to pay more wages than necessary but multiply that out and you get now, people have realized if they cannot pay their bills then why should they pay attention to the detail it takes to produce good work; it being stupid to fully take care of a customer when you don't get any benefit from it.

You begin to see the overall problem..............sorry I sawed your ear off getting there.
 

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LOL, confirms my suspicions. It appears we have no protections any more. We pay all these taxes, to supposedly protect us. I think we are on our own right now. No rule of law. And these guys are thinking quick grab for our money. But in the long run, they will lose. Nissan should not be happy their mechanics make their cars look bad, bc I think its a good car, and they made it worse. Must be trained like that? But more desperation right now bc of car shortage?
Yea, my friend feels the same way. (y)works on all his own stuff bc he has experienced such incompetence.
And it is greed too, is what you are saying, right?:cautious: I see Nissan dealership doesn't pay the mechanic so well, (reading their classifieds) but we are sure paying a lot! Looks like the work conditions aren't so great either? But we pay more to this field than I think most doctors get it seems like. :confused:
I think schools should teach about this stuff so we can screen, and understand about cars.
We learn nothing about the important consumer stuff we should know. On purpose I am sure. Total black out on real stuff, like law, about the car we buy to fix, our rights, etc.
When I look up Nissan parts to see if I got OEM, they are sketches! No real pictures. Would be nice if they gave the info like Reprogram required.
So these forums are great.
FYI, I looked for consumer protection, and found other countries are (or were) protecting their citizens more than here. Look up things here, and law firms come up.

Anyway, I am not sure if all dealerships are like these guys. It appears lots of turn over.

But now I see for sure they have not done any Reprogram.
Question: :unsure: And only a dealership from what I am reading, can do it? Is that right? Or is it possible to look up a VIN and see what is required (like an update, reprogramming, etc for what?

FYI Got the history printed out, and there is nothing about any Reprogram. But Bruno called and asked the mechanic (2nd visit), and he said he did, but there is no evidence in my history of servicing system. And what one did he do for what. No clarity. Does the mechanic put everything in? Or do they tell somebody else, and they put it in? How does that all work? Also, he said it needed a new battery, so could he have done a reprogram with a weak battery?
So about to give up,:cry: and give up the Nissan. Never considered how when you buy the brand, you buy how they service you too.

I will really appreciate when I find an honest mechanic. What a wonderful day that will be!

I am going to keep improving my understanding and knowledge of cars. Its really an interesting and enjoyable endeaver. Never appreciated how much there is to it before. Its like being a doctor! I think its a gift too. Wish it was my gift! 😃

If anyone knows a good mechanic in the Princeton/Rider U area of NJ. let me know! :love::D
 

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I feel your pain. Based on doing my own work I keep track of hourly rates if I were to take car in to a dealer and I have paid myself up to $2500/hr. before. I commonly run at least $200/hr. and I don't do the work until around there, where will anybody ever get paid that much? And I used to be the head pressman over a crew on one of those whopping gigantic newspaper presses you sometime see on TV.

Nissan uses their own system or Consult (3 I think) and that can go in to read the computer to tell if updates have been done. Some higher end shops can likely do it but not many, the software costs like $3000 to get a licensed copy. They likely do not put that in any history to keep control of things. (away from you? probably)

They better NOT have gone into computer with a weak battery, it is the number one thing the software tells you, the computer can be wrecked if the battery does not have full voltage and since some updating can be done by wi-fi you can't even have a cellphone close while doing it as the cellphone can butcher an update too.
 
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