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Thread: EGR replacement

  1. #1
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    EGR replacement

    Hi guys
    I have a 2011 Passat 1.6 TDI. I had the emisions software update done about 2 years ago. Cars been fine. Last week i changed the EGR from local mechanic csr drove fine but coming back from a long journey the glow plug light started flashing.

    Called AA they said it was a 40300 code egr fault. Reset and car seems to be fine.

    Prior to this i got an abs fault 2 weeks prior but dont think this is linked.

    1) after egr replacement does it need vw to update software(i read somewhere this maybe the case?
    2) can the egr be faulty?
    3) could it have been fitted i correctly?
    4) can i reuse gaskets again if i change the egr as they have only been 1 week on car?

    Thanks
    2011 Passat BlueMotion 1.6 TDI-CR

  2. #2
    Administrator Keithuk's Avatar
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    Your signature used to say 2011 Passat BlueMotion 2.0 TDI probably from your other posts, now your saying its 1.6 which I've changed.

    The AA use a good generic scanner I don't recognise 40300.

    You need to get your motor scanned (preferably with VAG-COM\VCDS) for any error codes logged in the ecu and post them, that will save a lot of guessing and check systems out.
    2010 Golf GTD (170) CBBB, 5 Door, Shadow Blue (P6/D5Q), Transmission Code: KXZ, Flat Tyre Indicator, Basic Protection Pack + VCDS.


  3. #3
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    Hi

    The AA code was

    Exhaust gas recirculation (EGR) -circuit malfunction

    I think this is P0403

    Thanks
    2011 Passat BlueMotion 1.6 TDI-CR

  4. #4
    Administrator Crasher's Avatar
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    If he fitted a none genuine unit say from Euro Car Parts it will be faulty. I refuse to fit anything other than genuine now because they are such an awful job to change. The last one I did was a replacement for a replacement and it failed before we even got the car off of the lift.



    "I disapprove of what you say, but I will defend to the death your right to say it"

    Evelyn Beatrice Hall (28 September 1868 13 April 1956)

  5. #5
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    Yeah the part was from eurocarparts.

    If the EGR was faulty is there any tests i can do to confirm its faulty?

    Can i reuse the gaskets they have onlt been on car for 5 days?

    Thanks
    2011 Passat BlueMotion 1.6 TDI-CR

  6. #6
    Administrator Crasher's Avatar
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    They are one time only crush gaskets. Throw the unit back at ECP, get a genuine one from TPS (NOT their exchnage one) and when it works, put a claim into ECP for a fair few hours labour. WHY they keep selling these I have no idea, it must be costing them a fortune in claims.
    "I disapprove of what you say, but I will defend to the death your right to say it"

    Evelyn Beatrice Hall (28 September 1868 13 April 1956)

  7. #7
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    No probs. Turns out i was 4 months off the 2 year grace period with vw...

    Thanks for your advice
    2011 Passat BlueMotion 1.6 TDI-CR

  8. #8
    Administrator Keithuk's Avatar
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    Quote Originally Posted by cameronfarooq View Post
    Hi

    The AA code was

    Exhaust gas recirculation (EGR) -circuit malfunction

    I think this is P0403
    VAG Error Code: 16787/001027/4891/4892/7461/7462
    EOBD II Error Code: P0403

    Fault Location:
    Exhaust Gas Recirculation (EGR) Recirculation Valve [N18] - Malfunction

    Possible Cause:
    Malfunction Indicator Lamp (MIL)(K83) active.
    Rough Idle Speed and/or Engine stalling.
    Loss of Power.

    Fuse(s).
    Wiring/Connector(s).
    Exhaust Gas Recirculation (EGR) Recirculation Valve [N18] stuck/faulty.

    Possible Solutions:
    Check/Replace Fuse(s).
    Check/Replace all faulty Wiring/Connector(s).
    Read Measuring Value Blocks (MVB).
    Check/Replace Exhaust Gas Recirculation (EGR) Recirculation Valve [N18].

    When is the code detected?:
    An improper voltage signal is sent to Engine Control Module (ECM) through the valve.


    As taken from my new EOBD II Fault Codes Software
    2010 Golf GTD (170) CBBB, 5 Door, Shadow Blue (P6/D5Q), Transmission Code: KXZ, Flat Tyre Indicator, Basic Protection Pack + VCDS.


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