W211 AMG Discuss the W211 AMG's such as the E55 and the E63

Fuel Evap system

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Old May 11, 2010 | 12:01 PM
  #1  
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2005 E55
Fuel Evap system

I threw a code a few weeks ago for a "very small evap leak". I replaced the fuel cap but the code came up again. Does anyone have a schematic diagram for the evap system?
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Old May 11, 2010 | 02:55 PM
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i had this a few months ago. i actually discovered the error during a routine OBD check...didnt trigger the check engine light. i believe the code pulled was p0456. it turned out to be a faulty shutoff valve and had the evap canister replaced. i dont think the valve is available by itself, but dont quote me on that.

hope this helps,

O.
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Old May 11, 2010 | 04:04 PM
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Originally Posted by O-55
i had this a few months ago. i actually discovered the error during a routine OBD check...didnt trigger the check engine light. i believe the code pulled was p0456. it turned out to be a faulty shutoff valve and had the evap canister replaced. i dont think the valve is available by itself, but dont quote me on that.

hope this helps,

O.
+1 Do you top off your tank or stop filling after it shuts off automatically?
If you top off, fuel can find its way to the valve and make it stick. It can be cleaned with carb cleaner, that said I have only done this on an older W210 and don't know exact location of the valve on a W211.
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Old May 11, 2010 | 04:07 PM
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Originally Posted by Yacht Master
+1 Do you top off your tank or stop filling after it shuts off automatically?
If you top off, fuel can find its way to the valve and make it stick. It can be cleaned with carb cleaner, that said I have only done this on an older W210 and don't know exact location of the valve on a W211.
nice tip!
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Old May 11, 2010 | 04:12 PM
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I usually just wait for it to stop on its own.. but now that you mention it I did top it off once a few months ago.. Anybody else know any more info about this valve? Thanks guys.
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Old May 13, 2010 | 09:25 AM
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Bump...
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Old May 20, 2010 | 02:20 PM
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Bump for some new eyes...
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Old May 20, 2010 | 10:50 PM
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it is the purge control valve...very common!!
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Old May 21, 2010 | 12:30 AM
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Originally Posted by power-fade
it is the purge control valve...very common!!
Where is this valve located? Any spare part number?
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Old May 21, 2010 | 12:28 PM
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Originally Posted by EcoScope
Where is this valve located? Any spare part number?
If I'm thinking of the right one, its on the driver side towards the front of the car, near the coolant reservoir. There is a metal line running to it along the wall.
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Old May 22, 2010 | 04:01 PM
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Originally Posted by mekantor
If I'm thinking of the right one, its on the driver side towards the front of the car, near the coolant reservoir. There is a metal line running to it along the wall.
Thank you!!! I'll take a look at it tomorrow and report any findings..
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Old Jul 9, 2010 | 06:56 AM
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HELP!!!!!!!!!!!!!!!!

didnt want to make a new thread... im having the same exact issues on my car code threw a "evap huge fuel leak" a few days ago when it didnt want to start...it evetually started..Now my car wont start at all.... I checked the fuel valve up by the supercharger and no fuel is coming out...... Anyone have a pic of the purge control valve or any more info on it????
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Old Jul 9, 2010 | 11:03 AM
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again as I recommended in the previous thread:

Ok, there is another place to check. Just take out the rear wheel from the passenger side, then take out the plastic cover that protect the area there, you will see big black cylinder, just check that the hoses are fine and you have none of them un plugged and you may want to check that stupid cylinder too
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Old Jul 9, 2010 | 11:23 AM
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Mine ended up being the evap purge valve. They replaced it and haven't seen the CEL yet..
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