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Denied Revo tune -P0441 code

Discussion in 'A4/A4 cabriolet/S4 forum(B6 chassis)' started by s3tby, Dec 3, 2012.

  1. s3tby
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    s3tby Member

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    [Dec 3, 2012]
    Went to get a stage 1 uploaded this morning. I scanned the car a few weeks ago and was error free, but wouldn't you know it the car threw a code today during the pre-check. The tuner won't progress until I get it fixed as it might aggregate the fault.

    I don't have any CEL or symptoms other than the code itself.


    16825/P0441/001089 - EVAP Emission Control Sys: Incorrect Flow
    Possible Causes
    * Evaporative Emission (EVAP) Canister Purge Regulator Valve (N80) faulty/jammed
    * Evaporative Emission (EVAP) Canister Purge Solenoid Valve (N115) faulty/jammed
    * Evaporative Emission (EVAP) Canister Sealing faulty
    * Pipes between Tank Breathing and Throttle Body leaky/blocked


    In what order should I be tackling this? N80 valve looks easy to replace so maybe I should be starting with that? If anybody has some easy checks / tests I can do (I have VCDS) to help trace it I'd be very grateful.
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  3. s3tby
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    s3tby Member

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    [Dec 3, 2012]
    ..in fact I changed the N80 Evap purge valve about 5k miles ago! Any way to test it?
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