[s-cars] Emission Cannister

Tom Green trgreen at comcast.net
Wed Nov 21 21:31:14 PST 2007

The system just temporarily holds hydrocarbons in the canister, then  
pulls them
back out and burns them in the engine, so I doubt it is a faulty  
canister unless
it is damaged.

Remove the airbox and inspect the valve, item 18 in your  
illustration.  The
mystery fumes could be a broken valve.  I repaired mine with JB  
weld.  If
you are saying the local Audi shop pressure tested the system  
then they might as well pressure test your wallet.  Hmmm....., I  
guess they did.
:-)   It captures fumes from the tank as well as the engine so  
testing the entire system installed is difficult.


> Date: Wed, 21 Nov 2007 20:04:26 -0800
> From: "Alvin Labonite" <alabonite at gmail.com>
> Subject: [s-cars] Emission Canister
> To: S-CAR-List at audifans.com
> Message-ID:
> 	<906bff800711212004r10f06f3epc5091291444ee14b at mail.gmail.com>
> Content-Type: text/plain; charset=ISO-8859-1
> S-folks:
> How likely is the evaporative canister to go bad? Any experiences  
> with them
> going bad? I get a fuel odor after parking the car and it seems to  
> be coming
> from the pass front wheel well and or under the car. No smell from the
> engine compartment that I can tell. Local Audi shop pressure tested  
> the
> system and found no leaks.
> Pic #1 is what i'm talking about.
> http://pictureposter.audiworld.com/42826/canister.jpg
> 95 S6
> ***********

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