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  1. #1
    APL TDi's Avatar
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    A3 2.0 TDi gone into limp mode.... again!

    sorry for posting this twice, i just wanted to get maximum exposure....

    Hi all

    I have a 2004 A3 2.0Tdi 3dr.

    It has gone into limp mode twice this week, so I took it to an audi specilist to have it looked at.

    It threw a code 16683 P0299

    It has only gone into limp mode when i am sitting at around 70mph, with no load on the engine what so ever.

    Has anyone else ever had this happen to them??

    Also do the turbos have variable vein geomerty??

    If any out there is in the know, please can you fill me in.

    Thanks

    A!

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  3. #2
    kaz219's Avatar
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    16683-Boost Pressure Regulation: Control Rangenot reached

    Possible Symptoms

    • Reduced Power Output
    • Limp Mode
    Possible Causes

    • Hoses/Pipes incorrect connected, disconnected or leaking
    • Charger Pressure Control defective
    Possible Solutions

    • Check Hoses/Pipes to/between Components
    • Check / Clean / Replace Charge Pressure Control
    Audi A3 S-Line DSG - sold
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  4. #3
    kaz219's Avatar
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    could be an air leak mate..

    you need to get checking the pipes and seals..
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  5. #4
    kaz219's Avatar
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    And came accross this usefull thread ...

    http://forums.tdiclub.com/showthread.php?t=224399

    sorry for the multiple posts :D Should have put it into one but computers running reaaalllly slow :D
    Audi A3 S-Line DSG - sold
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  6. #5
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    Didnt your specialist have any clues?

    http://wiki.ross-tech.com/index.php/16683/P0299/000665

    Thats your fault code explanation from Ross-tech. Try following the suggestions they make.

    They do have variable vane turbochargers I believe.
    A6 3.0 TDI.

  7. #6
    APL TDi's Avatar
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    Crikey

    Thanks for the speedy replys.

    The specilist said it was overboosting......

    Which is odd as everything iv seen on tinternet says lower limit not reached.

    Do Audi usually charge to run the check on their OBDI thingy?
    If not i will run it down there tomorrow.

    I cant see it will be a boost leak as its an intermittant fault.
    Surly if there was a leak the problem would happen all the time?

    Another thing is it is fairly lumpy on idle, would a faulty anti-shudder valve cause this?

    Thanks so much for the help

    A!

  8. #7
    kaz219's Avatar
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    Quote Originally Posted by APL TDi View Post
    Crikey

    Thanks for the speedy replys.

    The specilist said it was overboosting......

    Which is odd as everything iv seen on tinternet says lower limit not reached.

    Do Audi usually charge to run the check on their OBDI thingy?
    If not i will run it down there tomorrow.

    I cant see it will be a boost leak as its an intermittant fault.
    Surly if there was a leak the problem would happen all the time?

    Another thing is it is fairly lumpy on idle, would a faulty anti-shudder valve cause this?

    Thanks so much for the help

    A!
    The lumpy idle could be the flywheel issue on most tdis of that range...

    My idle was lumpy when i had an air like - really juddery.

    I'd check the pipes first before you start spending - it could be intermittent as it only happens at certain temps/certain boost etc.

    My air leak was the seal between the EGR and the manifold head...
    Audi A3 S-Line DSG - sold
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  9. #8
    APL TDi's Avatar
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    Well, I spent the morning looking for a boost leak.

    I found nothing! lol

    A quick question, when I rev the engine and let off again, there is a "TISHHH" noise. Is this normal? It sounds like something venting to atmospheric?

    It is going back to the dealer I bought it from today, hopefully they can fix it.

    A!

  10. #9
    kaz219's Avatar
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    Quote Originally Posted by APL TDi View Post
    Well, I spent the morning looking for a boost leak.

    I found nothing! lol

    A quick question, when I rev the engine and let off again, there is a "TISHHH" noise. Is this normal? It sounds like something venting to atmospheric?

    It is going back to the dealer I bought it from today, hopefully they can fix it.

    A!
    Mine does that.

    When Im in low revs a i boot without downshift and then lift it, it makes a dumpvalve noise but its a lot quiter....

    I think it is normal...
    Audi A3 S-Line DSG - sold
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  11. #10
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    How many miles has your car done?
    If it is around 60k, it could be possible that your variable vanes in
    the turbo have gumed up with carbon, causing them to stick and give
    you an overboost situation.
    (8P)A3 2.0 TDI Sport-Dolphin Grey-
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  12. #11
    APL TDi's Avatar
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    Its done 70k, the audi specilist did mention that actually.

    I am going to give him another call tomorrow and see what he says.

    Cheers

    A!

  13. #12
    APL TDi's Avatar
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    Well its going back to the dealer today.

    I have to drive a crappy R reg impretza estate while its being check over.

    The dealer ahs been pretty good so far, he even said if it needs a new turbo they will sort it out no problem. Luckly he deals with Audi's which have come straight from the main dealer as PX's, so hopefully it will be looked at by a pro.

    Thanks again for all the info guys, I will keep yall posted.

    A!

  14. #13
    APL TDi's Avatar
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    The car has been with the dealer for three days now, and I miss it!

    I am sick fed up of the crappy imprtza they have given me as a courtisy car.

    Turns out my A3 has a boost leak................................ AND the turbo is knackered! So it sounds like a good buy! lol

    Long and the short of it is the warrenty does not fully cover the cost of a new turbo and a replacement valve which is leaking.

    So I have to shell out another 200. Not impressed. But ateast it will have a new turbo....

    Just means I cant afford a remap for another few months.

    I shoul dhave it back saturday and cant wait!

    A!

  15. #14
    JBS Sales's Avatar
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    What a pain! Sounds like you are not having much fun!

    If I am reading this correct 200 for a new turbo is not too bad at all! I guess that car smoked a fair bit with the boost leak too?

    It might not be of too much help but, as for the remap - we are offering a package deal at the moment; for Custom-Code Phase 1 and Green Cotton air filter it will be 330.00 on your model.

    Let me know how you get on with the car anyway

    Mike


    Tel/Fax 01246 455 005

  16. #15
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    APL, Given the age of your car and its current problems, remapping it would be akin to visiting your Grandma in hospital suffering from lung cancer, and taking her a pack of 200 cigarettes.
    A3 2.0TDI Sportback S Line 184 Quattro S-Tronic, Mar. 2014 Glacier white. Electric seats, sunroof, se suspension, heated folding mirrors, Reversing camera, Nappa leather, TPMS, Hold assist, Xenon plus adaptive lights with variable active range control, lane assist, Interior light pack, Technology pack, Comfort pack with ACC, park assist & parking system plus

  17. #16
    APL TDi's Avatar
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    Agreed, but hopefully when it has a new turbo it should be fine dont you recon?

    70k is not that much for a derv and its not THAT old really.

    As I say the 200 pounds put aside for a remap has now got to be spent on the turbo so I will have to wait a while anyways.

    I will see how it behaves over the next few months then make a decision.

    And yeah I recon only having to pay 200 towards the turbo is pretty lucky, but on the other hand the dealer should not have sold it with a dodgy turbo


    I guess it is possible it will feel a bit quicker anyway with the boost leak fixed and a new turbo, so maybe that will satisfy my ich for a while... who knows!

    Cheers

    A!

  18. #17
    JBS Sales's Avatar
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    Oh yes, I was only talking about the remap to be done after the new replacement turbo, otherwise it would just be pointless!

    70K on a diesel engine is not much, just about bedding in I have seen diesels up to 180K surprisingly without any problems too!! But I guess at that point most parts had been changed anyway!

    Also it can really depend on how the car has been treated, I had done 52K when I managed to blow my turbo on my Ibiza PD130..... But I was on Donning ton race track. A friend of mine drives his Ibiza PD130 VERY hard and has been through about 3-4 turbots in 60-70K I have started to lose count now!

    200 for a turbo is a good price but I understand what you are saying, it is just a real big downer when you have to buy parts to repair and fix cars!

    Without the leak in theory it should be a little faster

    Mike


    Tel/Fax 01246 455 005

  19. #18
    APL TDi's Avatar
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    Well after nearly two weeks I STILL don't ahve my A3 back.
    The garage say the turbo they were snet was also faulty, so they are now waiting for a new one to be sent.

    Its getting annoying now, but atleast they have weavered all charges.

    I really want it back now

    A!

  20. #19
    kaz219's Avatar
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    Quote Originally Posted by APL TDi View Post
    Well after nearly two weeks I STILL don't ahve my A3 back.
    The garage say the turbo they were snet was also faulty, so they are now waiting for a new one to be sent.

    Its getting annoying now, but atleast they have weavered all charges.

    I really want it back now

    A!
    As long as its back and all working - it will all be good.

    Look on the good side - your car could have been in and out of garages, paying bills, broken down on the side of the road, turbo failure could have led to a new engine etc. etc.

    Least it all should be sorted and working soon :D
    Audi A3 S-Line DSG - sold
    Golf Mk4 Autograph - sold
    Currently Vtec'in around in an Accord Type R :P

    For Sale: ST3 Remap Console - PM Me :P
    Vagcom'd too

  21. #20
    APL TDi's Avatar
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    I got it back yesterday :D:D:D:D

    Shiny new turbo and pulling well again.

    Turbo whistle is MUCH quieter now.......

    ...... remap coming end of feb then its off to the pod on the 29th of march!

    A!

 

 

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