KilometerMagazine.com - Intermittent Gas Cap Light
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    1. Junior Member
      Join Date
      May 19th, 2009
      Location
      NYC
      Posts
      93
      Vehicles
      2008 Candy White Wagon FSI
      03-20-2017 01:19 PM #1
      Hi,

      I have a 2008 FSI Wagon (with about 55K) and for the past 3-4 months I've been having Gas Cap Light popping up once or twice a month. The light goes away if I drive for a a bit (at least 10-15 minutes) shut the engine off and start the car again but it doesn't go away if I turn the car off immediately and tighten the gas cap. I drive mostly on weekends, so it may be affecting the frequency. Thoughts? (I haven't had the codes checked but plan on asking the shop I go to when I go for spring check up)

      Thank you.

    2. Member Soundwave_vr6's Avatar
      Join Date
      Sep 30th, 2007
      Location
      Ontario
      Posts
      7,661
      Vehicles
      3.6 4mo
      03-20-2017 04:50 PM #2
      take a look at the o ring on the cap. if its all cracked get a new cap.

    3. 03-20-2017 08:37 PM #3
      Could be N80 valve. I was having the gas cap fault so I replace my N80 valve. Hasn't been back since.

    4. Junior Member
      Join Date
      May 19th, 2009
      Location
      NYC
      Posts
      93
      Vehicles
      2008 Candy White Wagon FSI
      03-21-2017 09:26 AM #4
      Thank you.

    5. Member
      Join Date
      May 15th, 2012
      Location
      LA
      Posts
      179
      Vehicles
      01 FrankenGTI, 12 Tiglean (wife) 08 r36'ish ;-)
      03-21-2017 10:30 AM #5
      I didn't have a dash light but the evap system kept showing up in the VCDS scans.. Bought a new gas cap and lost it in the move (it's packed somewhere) so changed the n80 valve while looking for that ____ gas cap. No issues since.

    6. Member 10001110101's Avatar
      Join Date
      Aug 7th, 2007
      Location
      Monticello, MN
      Posts
      394
      Vehicles
      B6 Lux Wagon, 2010 F-Juan Fitty
      03-21-2017 01:11 PM #6
      Thirded on the N80 valve. I changed my gas cap first and it did not fix the problem. N80 changed in 10 minutes and no light since.

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