6th Generation Maxima (2004-2008) Discussion of the 6th generation Maxima. Come see what others are saying.

MAF sensor is bad?... reset SEL

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Old 02-24-2006, 02:53 PM
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MAF sensor is bad?... reset SEL

...and they blamed it on my intake? I would assume this is easy to replace? They want $454 to do it
I don't know too much about this any input would be great.

Thanks! J
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Old 02-24-2006, 02:58 PM
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Warranty would not cover it?
That sensor is so simple to change. If you
can change your intake yourself, then you can
definitely do it. That sensor should be part
of your intake path.
I would price the part with Courtesy Nissan
if you can wait for shipping.
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Old 02-24-2006, 03:06 PM
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What kind of intake is it? Take the CAI off, put the stock one back on, disconnect the battery and see if the CEL goes away. If not leave the stock intake on and take it to the dealer. Are you out of warranty? Did you just clean/oil the filter?
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Old 02-24-2006, 03:11 PM
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I thought that you would have removed your intake
and give them no excuse to play the blame game.
If still under warranty, switch back to stock and
take it to a different stealership.
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Old 02-24-2006, 05:20 PM
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That's would be tough to argue. Did they put you in the "system"?
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Old 02-24-2006, 06:31 PM
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Well 1st off prior to going I didn't know it was my MAF. So I guess I need to talk to my service guy and see if they will let me go back to stock and take it back in. He said it failed due to my intake...
I do have a parts hookup at another dealer, we'll see what happens.
Thanks guys, once again the .org coming through!!!!
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Old 02-24-2006, 07:18 PM
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What was the problem of your car to begin with?
Bad MAF sensor usually give rough idling or even stalls the car.
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Old 02-24-2006, 08:08 PM
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You can forget about a warrenty for anything with your car, the ball is in their court since you violated the terms of the warrenty
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Old 02-25-2006, 12:10 AM
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Originally Posted by 04BlackMaxx
You can forget about a warrenty for anything with your car, the ball is in their court since you violated the terms of the warrenty
Yes he may have voided the warrany for that part but the law states that if a mod did not cause the problem the warranty is still in effect.
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Old 02-25-2006, 12:37 AM
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Originally Posted by 04BlackMaxx
You can forget about a warrenty for anything with your car, the ball is in their court since you violated the terms of the warrenty
please do not post false ideas as fact.
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Old 02-25-2006, 01:04 AM
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Originally Posted by Albert
What was the problem of your car to begin with?
Bad MAF sensor usually give rough idling or even stalls the car.

I did notcie a bit of hesitation the past few days, I'm sure that's what it was. I probably should have posted a thread about that 1st. I'm sure someone would have figured it out and I would have put my stock parts back in and everything would have worked out...live and learn!!
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Old 02-25-2006, 09:11 AM
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Dont let the stealership bully you around. They have to prove it was the MAF. hey tried to make me pay for a faulty climate control due to "aftermarket alarm". I told them I did nothing after market to any of the electronics. AFter much squabbling, they agreed to warranty it PLUS replace my burnt out HID bulb.
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Old 02-25-2006, 09:36 AM
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yea i had that issue as well, no rough idle or stalling though. but ever so often my car would not go above 2500 rpm's i figured out if you take the maf off and clean it it would work fine again, although it will affect performance and i do need to replace it. but i want to go with a different one. like the ford cobra or q45 maf.
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Old 02-26-2006, 02:29 AM
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See if this thread would help

http://forums.maxima.org/showthread.php?t=398513
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Old 02-26-2006, 03:57 AM
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Faulty MAF's are very common on the 5th gens. Prior to any work that I think Nissan will need to perform on my '02, I re-install my OEM intake assembly.
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Old 02-28-2006, 07:16 PM
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Originally Posted by NismoMax80
please do not post false ideas as fact.
MAF sensor, aftermarket intake...can't see how you could argue this one to go in your favor if they want to be difficult. In this case, when the bad part is connected to a mod...its pretty tough to prove there is no way the failure is related to the mod!
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Old 03-12-2006, 11:18 AM
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So I unplugged the MAF and then plugged it back in and my CEL went off and I don't seem to be having any problems now. Do you guys still think it's bad or did it just need to be reset or something??
What to do?
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Old 03-12-2006, 11:21 AM
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Jsmith, I can help you diagnose the problem even further...I am local to you..

I can perform both Idle Air Volume Reset and ECU reset through gas pedals
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Old 03-12-2006, 11:55 AM
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I can vouch that the ECU reset works. It was pretty easy to do. Same as the 350Z process IIRC. I have it printed out and kept in my glove box just in case.

CM
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Old 03-12-2006, 12:21 PM
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Oh yeah...I also gotta obdii scanner that can pick up stored codes in the ECU...that can't be seen through the SES light....in other words, the SES doesn't have to be on for codes to appear...and you pick it up through the scan tool
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Old 03-12-2006, 12:44 PM
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Originally Posted by 04BlackMaxx
MAF sensor, aftermarket intake...can't see how you could argue this one to go in your favor if they want to be difficult. In this case, when the bad part is connected to a mod...its pretty tough to prove there is no way the failure is related to the mod!
well of course I would have re-installed my oem intake just to save the hassle.

but that guy stated: "You can forget about a warrenty for anything with your car" and how did he violate any tems in "your warranty agreement"?

how is that true? It is illegal to deny work on unrelated parts. And the related parts need to be proved to have caused the malfunction.

Sorry Mr. Dealer, you're right. My strut could only be blown because I installed an intake. I shall never ask for any warranty work for anything in my car.
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Old 03-12-2006, 08:57 PM
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Originally Posted by steven88
Jsmith, I can help you diagnose the problem even further...I am local to you..

I can perform both Idle Air Volume Reset and ECU reset through gas pedals

Thanks! I'll be in touch...
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Old 03-13-2006, 07:15 PM
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Originally Posted by steven88
Jsmith, I can help you diagnose the problem even further...I am local to you..

I can perform both Idle Air Volume Reset and ECU reset through gas pedals
I would not mind an ECU reset....since I have the Injen and the Greddy.
How does this work?
Thanks
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Old 03-13-2006, 07:50 PM
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1. ignition on, wait 3 seconds
2. floor gas pedal and release, do this 5x
3. wait 7 seconds
4. floor gas pedal and HOLD, wait till SES blinks then release
5. Floor gas pedal and HOLD, wait 10 seconds
6. SES will continue to blink, but you can release gas pedal and turn off ignition
7. wait 3 seconds then start car, your ECU is officially resetted!
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Old 03-14-2006, 08:37 AM
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Originally Posted by steven88
1. ignition on, wait 3 seconds
2. floor gas pedal and release, do this 5x
3. wait 7 seconds
4. floor gas pedal and HOLD, wait till SES blinks then release
5. Floor gas pedal and HOLD, wait 10 seconds
6. SES will continue to blink, but you can release gas pedal and turn off ignition
7. wait 3 seconds then start car, your ECU is officially resetted!
HAS anyone been able to verify this...I tried on my 6th gen and it didnt do anything. ????
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Old 03-14-2006, 08:50 AM
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Originally Posted by VQMAX05
HAS anyone been able to verify this...I tried on my 6th gen and it didnt do anything. ????
I think 6th gen is different than 5.5 gen.
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Old 03-14-2006, 08:53 AM
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Here you are..

How to Set Diagnostic Test Mode II (Self-diagnostic Results)
1. Confirm that accelerator pedal is fully released, turn ignition switch ON and wait 3 seconds.
2. Repeat the following procedure quickly five times within 5 seconds.
a. Fully depress the accelerator pedal.
b. Fully release the accelerator pedal.
3. Wait 7 seconds, fully depress the accelerator pedal and keep it for approx. 10 seconds until the MIL starts
blinking.
4. Fully release the accelerator pedal.
ECM has entered to Diagnostic Test Mode II (Self-diagnostic results).

How to Erase Diagnostic Test Mode II (Self-diagnostic Results)
1. Set ECM in Diagnostic Test Mode II (above)
2. Fully depress the accelerator pedal and keep it for more than 10 seconds.
The emission-related diagnostic information has been erased from the backup memory in the ECM.
3. Fully release the accelerator pedal, and start the car.
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Old 03-14-2006, 09:19 AM
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I have done this procedure and my Service Engine Light comes on at 2k rpm and the goes away after. Whats up with this?? I hope i didnt fudge something up. What does this do anyways..
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Old 03-14-2006, 09:22 AM
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It works for a 6th gen too...well I'm pretty sure it will...I've tried it on a 2004 G35 Sedan and it works...
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Old 03-14-2006, 09:23 AM
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To the fellas with the 6th gen....is this your FIRST time doing this procedure? If so, TIMING is very crucial....its okay if you can't get it the first time...that doesn't mean it will not work for the 6th gen....I couldn't get it to work the first few times on my 5.5 gen...just keep trying....it should work....

Nismomax80 should confirm this....GTR-rider knows this too
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Old 03-14-2006, 09:58 AM
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I did the procedure and i think it worked. Now my SES light comes on after 2k rpm. Whats up with that??
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Old 03-14-2006, 10:21 AM
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Not sure I understand your question. If you replaced your MAF you need to get your ECU reflashed at the stealership. Most will do it for free.
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Old 03-14-2006, 10:58 AM
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Steve is right you need to make sure you get the timing on the releasing and depressing the throttle.
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Old 03-14-2006, 10:59 AM
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Originally Posted by VQMAX05
I did the procedure and i think it worked. Now my SES light comes on after 2k rpm. Whats up with that??
You may still have the car in diag. mode make sure you followed with remaining 1-2-3 steps to reset the ESM.
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Old 03-14-2006, 11:00 AM
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If it didn't work, I wouldn't have made it a STICKY

IF you do this and continue to get the light after you successfully made it go away.... YOU need something fixed. Go to AutoZone or a dealer.
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Old 03-14-2006, 12:41 PM
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What does all this ECU and ESM reset do for the car??
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Old 03-15-2006, 08:54 PM
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How long did you have your intake on before you started experiencing problems. I wonder if this is common among those who install aftermarket intakes. As I just installed one myself I wonder if this is a problem I will encounter in the future.
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Old 03-15-2006, 09:23 PM
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Originally Posted by VQMAX05
What does all this ECU and ESM reset do for the car??
removes the light
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Old 03-15-2006, 10:22 PM
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Originally Posted by Losito
How long did you have your intake on before you started experiencing problems. I wonder if this is common among those who install aftermarket intakes. As I just installed one myself I wonder if this is a problem I will encounter in the future.

Over 2 years....
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Old 03-16-2006, 05:32 AM
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Is it possible that the MAF got filter oil on it? I know it is an issue when the K&N filters are over oiled. Maybe spray it with electronics clearner.
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