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NVLD (Natural Vacuum Leak Detector) Location on 2003 SXT

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  #1  
Old 10-03-2007, 03:43 AM
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Default NVLD (Natural Vacuum Leak Detector) Location on 2003 SXT

Just wondering if anyone knows the location of the Natural Vacuum Leak Detector on a 2003 Neon SXT. I'm getting a P0441 code, and have already replace the Purge Solenoid, and also the gas cap (just to be on the safe side). Has anybody else experienced the code....it's driving me insane.

Thanks!
 
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Old 10-03-2007, 07:42 AM
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Default RE: NVLD (Natural Vacuum Leak Detector) Location on 2003 SXT

lol my car is showing the same code....... o well i need to reset it it only comes every few months and then goes when it wants.......
 
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Old 10-03-2007, 09:09 AM
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Default RE: NVLD (Natural Vacuum Leak Detector) Location on 2003 SXT

I have heard that several people on here are experiencing this code/problem. It started out only coming on every few months, but it got worse.
 
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Old 10-03-2007, 01:40 PM
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Default RE: NVLD (Natural Vacuum Leak Detector) Location on 2003 SXT

yeah.... ive seen a few with this lately.... well mine is only every few months so ill just reset it until it gets worse then ill take a look at it.... might have to do with the CAI and Catback exhaust i put on.... possibly? lol o well....
 
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Old 09-09-2009, 03:20 PM
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Default Nvld problem ! ! ! !

i read some of the reponses.... but can someone tell me what do i have to do ? do i have to replace someting? or so? any help!
 
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Old 09-09-2009, 03:30 PM
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and maybe youll know what is it for a sensor o something like that that is located behing de rear tire (right side) it has three cables and two are fckd!
 
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Old 09-09-2009, 08:41 PM
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Originally Posted by Carlosj619
and maybe youll know what is it for a sensor o something like that that is located behing de rear tire (right side) it has three cables and two are fckd!

first thing i would do is connect those wires...... then check your codes again. the NVLD is part of the EVAP system and its located in the rear, i believe its above the gas tank or next to it..
 
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Old 09-10-2009, 02:41 AM
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You may check the hoses coming off of the canister. There is one on there that seems to crack on the Neon's that will trip EVAP codes (if you are looking straight at it, the far left one). Just had it happen on mine. It is a dealer only part, but there are options if it happens to be it.
 
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Old 09-10-2009, 01:17 PM
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it is the evap purge valve and it is by the brake booster kinda under it
 

Last edited by tooslow; 09-10-2009 at 01:26 PM.
  #10  
Old 09-22-2009, 07:54 PM
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I've had p0440 and p0441 on and off for over a year... Just learned to ignore it, though it's kinda embarrassing when passengers ask about it.

To my knowledge it hasn't affected performance or anything.
Only worried for when I have to smog check.

I was told to replace the purge solenoid by a service manager, but it didn't change anything. Hoses look fine, kinda given up on it.

Some good direction would help
 



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