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  1. EGR / DPF fault 
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    Help please. Just (re)joined this group.
    Engine management on my A5 2018 tdi. Owned the car for 15 months/15k. Approved Used.

    Harold Wood Audi confirmed fault code P200200 TPI 2050077/9 and 'req new EGR and assess DPF' @ cost of approve 2.3k. Not sure they actually checked - as they seemed unsure. Currently still waiting on Audi if they'll cover cost, which seems unlikely...

    Can anyone please share any experiences or advice. I've seen DPFs can be cleaned - Can anyone please recommend any reliable places in and around London and South East. Thank you.
     
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  2. Re: EGR / DPF fault 
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    Audi, share the cost . IF it was four years old and was bought from an Audi dealer and had a full set of Digital Service System Audi dealer entries THEN MAYBEE. What is the VIN?

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  3. Re: EGR / DPF fault 
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    Thanks for the response. Unfortunately, there is no FSH prior to my ownership from Warrington Audi. Came with 2 years extended warranty and was promised to be 'in line with Audi servicing regime'. I've owed the car since Dec 2022, and although service was not due, I still had oil and filters changed at an approved garage a few months ago. In short, there was no FSH when I purchased as 'approved used', but in my ownership, I've maintained service - gearbox service and engine and filter.

    VIN: WAUZZZF53JA107802

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  4. Re: EGR / DPF fault 
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    I can’t see anyone offering to help with this. It probably needs a new EGR unit 04L 131 512 A which is a reasonable £570 genuine. I would avoid the temptation of just the flap unit and even tough it is very well catered for in the aftermarket I am not so keen on many of the companies offerings.

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  5. Re: EGR / DPF fault 
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    Thank you for your response. Its quite hard to swallow! Really don't understand how it can fail so soon!

    With the EGR unit and labour - possibly looking at around £800!

    Would a clean be OK do you reckon?

    Thank you

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  6. Re: EGR / DPF fault 
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    It seems to be a common fault, Crasher can give you more details but I think Adblue clogs the EGR cooler which increases the exhaust pressure across the DPF when the car does a regen, the ECU see's the pressure readings as a clogged DPF. The entire Ablue/EGR/DPF setup is a complete F**kup of bad design and VAG dont care.

    Unfortunately I think your estimate is way off as changing the cooler involves removing the DPF and its a nightmare of a job, you might be looking at closer to £2000

    If your interested have a look on Youtube for "Audi P2002" and you'll find a few videos explaining whats going
     
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  7. Re: EGR / DPF fault 
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    When the reductant system loses the plot on an Ultra fitted with the dustbin sized DPF, the labour is measured in days, not hours. My tech who did the last one says he is taking the engine out next time. He did one a few months back where the pump pressure sensor in the reductant tank read -0.5 Bar when it should be +5 bar! The engine ECU reacted by emptying the tank as fast as it could and it clogged everything solid with Urea crystals which are like dried cement. We had to send the whole lot away to DPF Clean Team for specialist cleaning. The final bill was not much under £5k… don’t you just love economical to run Diesels…



    EGR cooler (triggers my Trypophobia this one)



    and this unit is inside the dustbin at the back under the three sender holes, Frankenstein technology.



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  8. Re: EGR / DPF fault 
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    Quote Originally Posted by gareth23 View Post
    It seems to be a common fault, Crasher can give you more details but I think Adblue clogs the EGR cooler which increases the exhaust pressure across the DPF when the car does a regen, the ECU see's the pressure readings as a clogged DPF. The entire Ablue/EGR/DPF setup is a complete F**kup of bad design and VAG dont care.

    Unfortunately I think your estimate is way off as changing the cooler involves removing the DPF and its a nightmare of a job, you might be looking at closer to £2000

    If your interested have a look on Youtube for "Audi P2002" and you'll find a few videos explaining whats going
    Thanks - I've been reading up on it and alot of suggestions are dpf / egr delete. I've never thought about this before and it's all new to me so still looking into it.

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  9. Re: EGR / DPF fault 
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    Quote Originally Posted by Crasher View Post
    When the reductant system loses the plot on an Ultra fitted with the dustbin sized DPF, the labour is measured in days, not hours. My tech who did the last one says he is taking the engine out next time. He did one a few months back where the pump pressure sensor in the reductant tank read -0.5 Bar when it should be +5 bar! The engine ECU reacted by emptying the tank as fast as it could and it clogged everything solid with Urea crystals which are like dried cement. We had to send the whole lot away to DPF Clean Team for specialist cleaning. The final bill was not much under £5k… don’t you just love economical to run Diesels…



    EGR cooler (triggers my Trypophobia this one)



    and this unit is inside the dustbin at the back under the three sender holes, Frankenstein technology.


    Thank you for sharing this. Seems like cleaning isn't an option, then? I've heard cleaning doesn't work and will either need replacing and have been suggested to delete. Also can I ask how you managed to see details about my car using VIN number and conclude no-one would be willing to help? Thanks

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  10. Re: EGR / DPF fault 
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    Cleaning does work, we have done a number on customers cars. Deleting any mandatory emissions system is both illegal and immoral, we all have the right to breathe clean air. I can use the VIN to ID any car anywhere in the world for multiple makes using the trade system Partslink24 which I use in my job as an independent VAG specialist garage.

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