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Fault 001089 - EVAP Emission Control Sys

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scopes:
Hi All

This code is from a friend's car, It's a 2005 Mk5 golf GTI, Engine code AXX.

It recently had the charcoal canister replaced, but the fault came back after a short time.

Address 01: Engine        Labels: 06F-907-115-AXX.lbl
   Part No SW: 1K0 907 115     HW: 1K0 907 115
   Component: 2.0l R4/4V TFSI  00 0070 
   Revision: --H01---    Serial number: VWZ7Z0E2472244
   Coding: 0403000318070060
   Shop #: WSC 00887 210 89731
   VCID: 63C1F9C8A240BA2620-8036

1 Fault Found:
001089 - EVAP Emission Control Sys
               P0441 - 002 - Incorrect Flow - MIL ON
             Freeze Frame:
                    Fault Status: 11100010
                    Fault Priority: 0
                    Fault Frequency: 5
                    Reset counter: 255
                    Mileage: 144118 km
                    Time Indication: 0
                    Date: 2000.00.00
                    Time: 06:24:51

             Freeze Frame:
                    RPM: 844 /min
                    Load: 18.4 %
                    Speed: 0.0 km/h
                    Temperature: 72.0°C
                    Temperature: 17.0°C
                    Absolute Pres.: 1010.0 mbar
                    Voltage: 14.351 V

Readiness: 0000 0000


The engine light stays off for 50 miles then the engine light comes back on, with the same code...

Would like to know a good place to start looking to find the problem !   :fighting:

I Was thinking the N80 valve and surrounding pipework... But without just replacing parts, what way can these be tested?

Thanks
 :happy2:

Shoduchi:
Are you sure there's no leak in the system? That small hose that returns the gas vapours has a plastic connector to the canister, is it new as well?

Dan_FR:
Either a leak or an N80.

Easy way to see if the N80 is working would be to remove the pipe going from it to the charcoal can, run the car and you should be able to hear it working on idle, makes a pop/thumping noise a few times a second

scopes:

--- Quote from: Shoduchi on November 13, 2015, 02:03:02 am ---Are you sure there's no leak in the system? That small hose that returns the gas vapours has a plastic connector to the canister, is it new as well?

--- End quote ---

Yes, i have checked it and all seems to be good.


--- Quote from: Dan_FR on November 13, 2015, 07:08:28 am ---Either a leak or an N80.

Easy way to see if the N80 is working would be to remove the pipe going from it to the charcoal can, run the car and you should be able to hear it working on idle, makes a pop/thumping noise a few times a second

--- End quote ---

This i will check,  :happy2:  Should it sound like a clicking noise ?

Dan_FR:
You could desribe as a clicking/ticking noise yes, you will hear the noise coming from the end of the pipe.

Describing sounds is not my forte  :happy2:

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