EVAP canister vent control valve closed - Page 3 - Nissan Forum
SR-Series Engines (DE/VE) Engine Discussion: G20, 91-94 Sentra SE-R, NX2K, 95-98 200SX SE-R, 98-01 Sentra SE

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post #31 of 46 Old Aug 31st, 2008, 02:53 PM
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Curious if anyone knows where the vent control valve is located on a 02 Altima. Pictures? I might not be looking hard enough or just overlooking.
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post #32 of 46 Old Oct 2nd, 2008, 12:26 PM
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Thanks to wildrancher, here's a link to the clearest diagrams, and the best synopsis of the EVAP Vent Control Valve Test and Repair Procedure that I've seen:

About.com: Auto Repair: Nissan Frontier DTC P1446






images courtesy of ALLDATA
linked article © 2005 Vincent T. Ciulla

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nn2g2bT = Not NECESSARILY Too Good To Be True

Last edited by nn2g2bT; Oct 2nd, 2008 at 12:57 PM. Reason: add credits, re-format text
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post #33 of 46 Old Oct 3rd, 2008, 04:11 PM
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Quote:
Originally Posted by nn2g2bT View Post
Thanks to wildrancher, here's a link to the clearest diagrams, and the best synopsis of the EVAP Vent Control Valve Test and Repair Procedure that I've seen:

About.com: Auto Repair: Nissan Frontier DTC P1446






images courtesy of ALLDATA
linked article © 2005 Vincent T. Ciulla

.
Thank you everyone I will keep looking for it.
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post #34 of 46 Old Oct 14th, 2008, 08:27 PM
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Originally Posted by noeaguerrero View Post
Curious if anyone knows where the vent control valve is located on a 02 Altima. Pictures? I might not be looking hard enough or just overlooking.


there is a emissions sticker on the hood that lists where most items are located.
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post #35 of 46 Old Oct 14th, 2008, 08:42 PM
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I had replaced my vent control valve 2 years ago. last week I got the code again along with a knock sensor code. I have 2 Nissans and whenever I get a evap code I also get the knock sensor code also. The vent control valve was working but one of the hoses was stuffed up with a moth nest. After clearing out the nest and blowing out the remaining hoses with a can of air I reset the light and it has stayed off.
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post #36 of 46 Old Feb 19th, 2009, 09:49 AM
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on a 2005 Sentra?

I am having the same issues so I am guessing it is the vent control valve. Does anybody know where this is on a 2005 Sentra?
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post #37 of 46 Old Feb 19th, 2009, 12:20 PM
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Vent Control Valve

The vent control valve is on top of the Gas Tank underneath the back seat. Well at least it is for my 02 Altima. I believe it is the same for the Sentra. You will have to drop the gas tank in order to get to it. If you want to bring it down make sure the tank is not full or else it will be very heavy to take it down. Once you drop the gas tank the valve will be in a sleeve next to the frame underneath the seat. I hope it this helps.
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post #38 of 46 Old Feb 19th, 2009, 12:45 PM
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Vent Control Valve or computer

My 02 Nissan Altima wants to turn off in the morning after I haven't drivin it for hours. The check engine light did come on. After I press the gas it goes back to normal. Its been like this for months. After doing some research I believe its the EVAP control valve. I took it to the mechanic 4 times and he replaced my spark plugs, O2 sensors EVAP Canister, and air sensor and it still keeps doing it. Then the mechanic said it might be the computer. I do not believe him he cost me a lot of money he had me like this 4 times. I need someone to confirm this or help me answer this question. Is it the EVAP control valve or computer or is it something else?
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post #39 of 46 Old Feb 19th, 2009, 04:31 PM
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Originally Posted by HeathersSentra View Post
I am having the same issues so I am guessing it is the vent control valve. Does anybody know where this is on a 2005 Sentra?

You need to obtain the specific code that is turning on the ses light.
Local Auto Zones due it for free. Just replacing parts can be costly
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post #40 of 46 Old Mar 5th, 2009, 12:59 PM
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Codes for altima

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You need to obtain the specific code that is turning on the ses light.
Local Auto Zones due it for free. Just replacing parts can be costly
Here are the symptoms the check engine light is on codes P0302 and P0507. Car burns more oil than normal and uses antifreeze much to fast. First start in the morning sounds like the car wants to turn off until i press gas then evrything sounds good. The spark plugs, air sensor, oxygen sensor and EVAP canister have been changed but not the control valve.
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post #41 of 46 Old Oct 26th, 2009, 11:59 AM
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Can anyone please tell me how to disconnect the electrical part of the vent control valve? It was like a plastic connector tightly connected to the metal part, I tried everything, even nearly destroyed the plastic part, but still failed to disconnect it.
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post #42 of 46 Old Oct 27th, 2009, 05:41 PM
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Can anyone please tell me how to disconnect the electrical part of the vent control valve? It was like a plastic connector tightly connected to the metal part, I tried everything, even nearly destroyed the plastic part, but still failed to disconnect it.
I believe you have to pry up on a small clip. If you have a digital camera, take a photo and blow it up on your computer to get a closer look.
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post #43 of 46 Old Dec 31st, 2009, 03:55 PM
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Saw your thread,mine is a 2006 sentra. the first time (A couple of years ago) the service engine light came on it was my gas cap not scewed on right. this time (last week)i disconnected the battery for a minute. it was ok not for long.....Without a portable diagnostic machine, I'll try cleanning out the valve on the cannister. Is there any USUAL service engine soon culprits that us nissan sentra's should know ? Thank`s in advance. anyone hve a picture of what the canister looks like ?

Last edited by theguardiansentinel; Dec 31st, 2009 at 04:00 PM. Reason: grammar
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post #44 of 46 Old Dec 31st, 2009, 07:37 PM
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Originally Posted by theguardiansentinel View Post
Saw your thread,mine is a 2006 sentra. the first time (A couple of years ago) the service engine light came on it was my gas cap not scewed on right. this time (last week)i disconnected the battery for a minute. it was ok not for long.....Without a portable diagnostic machine, I'll try cleanning out the valve on the cannister. Is there any USUAL service engine soon culprits that us nissan sentra's should know ? Thank`s in advance. anyone hve a picture of what the canister looks like ?
Post 32 has a good diagram of the vent valve and canister. Local Auto Zones will usually give you a read out for free. If you go to Auto Zone's web site you will find a lot of info when you input your vehicle info..
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post #45 of 46 Old Mar 23rd, 2013, 05:47 PM
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Hey guys i would like to know where is the charcole canister on a 1996 Nissan 240sx. If you have a picture of it that would be great. And what dose it do? If you can email me at shovelheadglenn@bellsouth.net
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