Mass airflow meter (sensor) - Nissan Forum
A33 2000-2003 Chassis 2000-2003 Maxima

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post #1 of 26 Old Mar 14th, 2005, 05:04 PM Thread Starter
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Mass airflow meter (sensor)

My Maxima GLE has all the symptom of a bad air flow meter, the motor basically chokes when I give it gas. I have cleaned the sensor with water and reinstalled it. The car is the same or worse. I read that the engine management system will need to be reprogrammed after installation of this part (MAFS) mass airflow sensor.
Is this something I can do? if yes how?
Should I replace the MAFS?
Note: I also have the following warning lights on, service engine soon, TCS.
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post #2 of 26 Old Mar 15th, 2005, 11:17 PM
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MAF replacement does not require ECU reset.

If your SES is on, I'd pull the codes it is reporting. vbxmaxima.8m.com has the manual procedure, or you can find someone with an OBD-II reader...
post #3 of 26 Old Mar 16th, 2005, 05:13 PM
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any sugegstions?

I went to the dealer to get servicing done on my 2000 GLE. Apparently I need a new MAF. Dealer wants 599+labor. He says that after they updated the ECM, the car wouldn't rev above 3000. Apparently my car is no longer road safe until I replace the MAF (they've given me a loaner until I get the work done).

Sounds a bit high to me given the fact that the 22680-2Y001 can be bought for $77.69. Is there a difference between an older (but new) model of the part vs. the remodelled version? What's the diff and how much should I reasonably expect to pay to get this fixed anyway?
post #4 of 26 Old Mar 17th, 2005, 12:52 PM Thread Starter
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MAF sensor (Meter)

Quote:
Originally Posted by rizasaria
I went to the dealer to get servicing done on my 2000 GLE. Apparently I need a new MAF. Dealer wants 599+labor. He says that after they updated the ECM, the car wouldn't rev above 3000. Apparently my car is no longer road safe until I replace the MAF (they've given me a loaner until I get the work done).

Sounds a bit high to me given the fact that the 22680-2Y001 can be bought for $77.69. Is there a difference between an older (but new) model of the part vs. the remodelled version? What's the diff and how much should I reasonably expect to pay to get this fixed anyway?

On my car I am replacing the MAFS by myself, its only two scew and the connection to remove from the sensor itself. I was given the same quote as you for the part and labour so I purchased my MAFS at "thepartsbin.com" for $106.00 free shipping. I also have the service manual and in the book it explains how to measure the voltage to expect on the MAFS connection. This was easy to measure and proved that it was in fact the MAFS that was the problem. After replacing there are no programming to do. If you have a multimeter and want to know how to measure the voltages just let me know.

Last edited by rmdavignon; Mar 17th, 2005 at 01:18 PM.
post #5 of 26 Old Mar 18th, 2005, 09:41 PM
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$599 is standard retail price for a MAF. Discount parts dealers such as Courtesy Nissan, Jerry Rome Nissan, and others probably sell it for $450-525 or so.

This entire unit, that is... I assume this is what you're talking about:
http://www.maxima.org/graphics/19.jpg

Replacing the MAF is pretty straightforward at least, about 15 minutes worth of work.
post #6 of 26 Old Mar 19th, 2005, 09:17 AM Thread Starter
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Replacing the MAFS

To Brianw

Are you referring to a Nissan Maxima 2000? because if you do then I am confused because on my Maxima 2000 GLE 3.0L the MAFS does not look like the one you posted even though I am referring to the electronic part only. Why would you change the housing, can something go wrong with it? also on my ECU there is no adjustment like the one at VBX Maxima. What do you think about "thepartsbin.com" the MAFS is only 106.00 other places can even be cheaper but in my research "thepartsbin,com" seems like a good distributor.

I would have like to insert a picture of my MAFS but I do not know how; I will research this feature so I can do it next time.

Regards
post #7 of 26 Old Mar 19th, 2005, 11:29 PM
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That's just the picture I happened to take when we were installing a cold air intake. (and it was off a `97, where the MAF is not sold as two pieces, it is only sold as the entire unit ).

226802Y001
22680AD201

$106 doesn't look too bad for the latter part, if that's all you need. I prefer genuine Nissan parts and hence prefer to buy from Mossy Nissan, Brown & Brown Nissan, Jerry Rome Nissan, Courtesy Nissan, and other discount Nissan parts dealers. I recommend you buy from whoever's the best deal for you.

As for manually pulling ECU codes, hmm... I know it changed for 1999.5 but I'm not quite sure how... FSM only describes the CONSULT-II or OBD-II scanner procedure...

Last edited by brianw; Mar 19th, 2005 at 11:36 PM.
post #8 of 26 Old Mar 28th, 2005, 05:33 PM
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Quote:
Originally Posted by rizasaria
I went to the dealer to get servicing done on my 2000 GLE. Apparently I need a new MAF. Dealer wants 599+labor. He says that after they updated the ECM, the car wouldn't rev above 3000. Apparently my car is no longer road safe until I replace the MAF (they've given me a loaner until I get the work done).

Sounds a bit high to me given the fact that the 22680-2Y001 can be bought for $77.69. Is there a difference between an older (but new) model of the part vs. the remodelled version? What's the diff and how much should I reasonably expect to pay to get this fixed anyway?
They are trying to give you the new AM600 MAF that ya do'nt need... it is supposedly a more robust piece that comes with the 02-03s on... you can just get the 2Y001/AD201 for cheap online and replace it yourself... no ECU reprogramming is needed... at least not that I know of....
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post #9 of 26 Old Apr 11th, 2005, 04:21 PM
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Replace MAF

Quote:
Originally Posted by rmdavignon
My Maxima GLE has all the symptom of a bad air flow meter, the motor basically chokes when I give it gas. I have cleaned the sensor with water and reinstalled it. The car is the same or worse. I read that the engine management system will need to be reprogrammed after installation of this part (MAFS) mass airflow sensor.
Is this something I can do? if yes how?
Should I replace the MAFS?
Note: I also have the following warning lights on, service engine soon, TCS.
I had my MAFS replaced at a Nissan Dealer for $310. $130 for the part and $180 for dianostic (1hr) and Replacement Labor (1hr), No EMC reprogram was necessary.
R.Lee
post #10 of 26 Old Apr 12th, 2005, 12:44 AM
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Quote:
Originally Posted by RLee
I had my MAFS replaced at a Nissan Dealer for $310. $130 for the part and $180 for dianostic (1hr) and Replacement Labor (1hr), No EMC reprogram was necessary.
R.Lee
If ya have a 00-01, ya could gotten the MAF from most Nissan dealerships for about $90 to $100 and done it yourself in under an hour. Just something to remember for next time.
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post #11 of 26 Old Apr 12th, 2005, 02:51 AM
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Quote:
Originally Posted by rizasaria
I went to the dealer to get servicing done on my 2000 GLE. Apparently I need a new MAF. Dealer wants 599+labor. He says that after they updated the ECM, the car wouldn't rev above 3000. Apparently my car is no longer road safe until I replace the MAF (they've given me a loaner until I get the work done).

Sounds a bit high to me given the fact that the 22680-2Y001 can be bought for $77.69. Is there a difference between an older (but new) model of the part vs. the remodelled version? What's the diff and how much should I reasonably expect to pay to get this fixed anyway?

Just to follow up...I ordered the updated MAF from nissanpartscheap.com. Cost me about $75 US and labour was about 30 mins. Really easy to do...do it yourself if possible. Make sure you change the air filter when you replace the MAF. Costs about $7. No ECM reprogramming required. TCS and Service lights turned off after the part was put in. Car runs beautifully. Saved over $500 versus doing it at the dealership.
post #12 of 26 Old Apr 12th, 2005, 09:12 AM
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Quote:
Originally Posted by rizasaria
Just to follow up...I ordered the updated MAF from nissanpartscheap.com. Cost me about $75 US and labour was about 30 mins. Really easy to do...do it yourself if possible. Make sure you change the air filter when you replace the MAF. Costs about $7. No ECM reprogramming required. TCS and Service lights turned off after the part was put in. Car runs beautifully. Saved over $500 versus doing it at the dealership.
Absolutely right, but let me just clarify something for everyone...

There are different types of MAFs available out there:

For the 2k and 2k1 there are 2 MAF's available:
22680AD201 $400
226802Y001 $90 (or in your case, $75)

For the 2k2 there are 2 MAF's available:
226806N201 $400
22680-AM600 $400

For the 2k3 there is only one:
22680-AM600 $400

The $90 226802Y001 has proven to be one of the more robust makes (along with the AM600), and this can also be used on 2k2 and 2k3 Maximas but the IAT thermistor from the existing MAF must be moved to the 226802Y001 MAF as well. The 2k and 2k1s have a separate IAT plug somewhere so the MAF does not have this, while the 2k2 and 2k3s have the IAT sensor in the MAF itself. You can use the 226802Y001 in a 2k2 or 2k3 w/o the sensor but it will throw a CEL.
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post #13 of 26 Old Apr 13th, 2005, 06:33 PM Thread Starter
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Service engine and TCS warning lamp

[I have replaced my MAF and yes it took a good 15 minutes,I paid a $106 for mine, where can I get items so cheap (75.00). Unfortunately my service engine and TCS lamp are still on but the car now works good. Any idea if the ECU will reset itself after a while? what should I do?
post #14 of 26 Old Apr 13th, 2005, 10:38 PM
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For some codes, ECU will reset the CEL after 3~5 start cycles or xx amount of driving. I forget the exact numbers.
post #15 of 26 Old Jan 26th, 2006, 07:58 PM
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hey guys i need help with my fuel meter can some1
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