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Discussion Starter · #1 ·
Ok brief history. Got a check gas cap light 2 weeks ago, went away and then came back 2 days later. Went away again and then the CEL came on. It's aways at fairly low RPMs too... 1000-2000 usually throws the code according to vag-com.
P0442 - 001 - Upper Limit Exceeded - Intermittent - MIL ON
Cleared the code as it states "small leak" and went on with my week. Fuel door came on next day, turned off and then got the same CEL. Now I had this occur 3 times in one week.
Took it to dealer and they claim I have software coded on the car and won't do warranty work (although they did take care of the A/C moldy smell for me under warranty with a free cabin air filter, lol). I have no idea what they are talking about with the coding.. (cough cough stage II APR) .. the downpipe and lack of CEL for that gave it away apparently. Regardless, i need to have an idea of what I am looking at here before I deal with paying them to change items on a whim. Vag-com printout below for engine diagnostics. Please advise! Thanks in advance. Maybe this is a DIYer project? I hate the dealer, but i was hoping for a free fix
::edit:: read some threads and some say n80 valve maybe or the line connecting to it? Hmm, I wonder if ECS has this for a good price...
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Saturday,30,January,2010,15:04:50:49534
VCDS Version: Release 805.4
Address 01: Engine
Control Module Part Number: 1K0 907 115 B
Component and/or Version: 2.0l R4/4V TFSI 0040
Software Coding: 0403010A18070160
Work Shop Code: WSC 01423
1 Fault Found:
001090 - EVAP Emission Control Sys: Small Leak
P0442 - 001 - Upper Limit Exceeded - Intermittent - MIL ON
Freeze Frame:
Fault Status: 10100001
Fault Priority: 0
Fault Frequency: 3
Mileage: 66895 km
Time Indication: 0
Date: 2000.00.00
Time: 16:04:59
Freeze Frame:
RPM: 1968 /min
Load: 16.1 %
Speed: 27.0 km/h
Temperature: 83.0°C
Temperature: 6.0°C
Absolute Pres.: 1000.0 mbar
Voltage: 14.351 V

Readiness: 0000 0001



Modified by MA_GTIMKV at 12:33 PM 1-30-2010
 

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go to another dealer. find one that doesnt care if ur modded.
 

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Discussion Starter · #4 ·
I'm going to try replacing the n80 valve and go from there.. are these parts hard to get at? If I remember correctly it's right near the place where you tap the boost for the boost gauge line. Am I incorrect? Anyone with pics?
 

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Re: (MA_GTIMKV)

ya dude go to another dealer. I was just told by 2 of my local dealers that warranty is voided only if the mod touches oil.
 

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Discussion Starter · #6 ·
funny part is it is so intermittent.. today I drove up to VT and back ~250 miles and no sign of gas light or CEL. Go figure.. Still going to install the n80 for good measure.. it was cheap anyways - anyone with pics or a DIY for n80?
 

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Re: (MA_GTIMKV)

Go somewhere else. Where did you bring it? If its in warranty 4 yrs/50k miles why wouldn't they replace the stuff. Take it to wellesley vw.
 
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