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Pretty much disable EGR using VAG com - Ibiza cupra PD engine - Now getting 60mpg

Discussion in 'Ibiza Mk4 (2002-2008)' started by jscottuk, Oct 5, 2010.

  1. jscottuk

    jscottuk Guest

    I've read a lot of info suggesting that you can't turn down the egr via vag com for the PD engines

    This is a myth (well maybe on European models) as I just did it and wow what a difference it makes.

    I found out that ross-tech says it isn't possible because they are under the assumption that the PD engine is using the bosche EDC16 chips, but the Cupra diesel has a EDC15P and it allows you to turn the egr down to almost nothing.

    I've found that this now mean I can trundle around, in 5th doing nearly 30mph and the car no longer grumbles or feels like it will stall. (I don't always drive like this) Of course if I want to take off I still change down as not to kill my clutch.

    This has mean that my revo'd curpa diesel is now averaging 58mpg around town. Before I was lucky to get 40.

    It just feels so much better and instant on the off.

    Also there seems to be less smoke as the turbo spins up.

    I just followed the online guide and can confirm it works.

    This is the guide

    * To perform the following adaptations (except idle) you need to use the Login function.
    * Enter 12233 as a Login code.
    * Misuse of some of the adaptations can lead to engine failure.
    * This is done at your own risk!
    * Note that the EGR setting is for off-road use only...

    [Select]
    [01 - Engine]
    [Login - 11]
    Enter 12233 to activate special adaptations,
    [Do It!]

    [Adaptation - 10]
    [Channel 003]

    Give the throttle a tiny press and keep it like that.

    You will see that it currently reads around 220 mg/h

    Enter the new value 33768 / replacing the default
    [Test]
    Observe the "test value" field to make sure the adaptation setting is acceptable.
    [Save]

    You will see the this figure go up to around 330 mg/h and the % drop.

    Ok so I haven't completely blocked it off but this will prolong the life of my engine / save me money and it is completely stock. ( no block off pipe and no errors ). Sorry environment., but I'm already being good with CO2, being a diesel.

    Happy chappy and looking forward to my new suspension and brakes arriving soon. :D
     
  2. great_kahn

    great_kahn Spooge

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    Sounds awesome!
     
  3. Modelmakerman

    Modelmakerman Mk4 Ibiza FR TDi

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    Any idea if this will work on the FR too?
     
  4. Si_TDi_FR

    Si_TDi_FR Active Member

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    Do you know what chip is used on the FR? I'd imagine same or very damn similar? I'll give this a go after the gym tomorrow evening :)
     
  5. jscottuk

    jscottuk Guest

    Think the ibiza diesels all use the same chip, so guess they will.

    I'm by no means an expert on this. Just read about it somewhere else and thought I'd have a go.
     
  6. great_kahn

    great_kahn Spooge

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    What year is your cupra?
     
  7. jscottuk

    jscottuk Guest

  8. george130

    george130 Active Member

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    I had this done for about 2 years, then I blocked the pipe off completely with a blanking plate - £4ish on eBay. Peace of mind..!
     
  9. shazo

    shazo Active Member

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    anyone know if this will work on the ibiza FR BLT engine?
    also im looking to buy vag-com so i can raise the revs and reset my power steering, any idea were i can pick it up for cheap?
     
  10. Binz

    Binz Guest

    Do you have to reset to normal EGR before MOT to pass emissions test?
     
  11. jscottuk

    jscottuk Guest

    I think they only test CO2 and smoke and not NOx in the UK. So should be fine.

    You can always change it back if you wanted.
     
  12. jscottuk

    jscottuk Guest

    Umm sweet laughing gas.
     
  13. DEAN0

    DEAN0 Old Git

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    People pass the MOT with the EGR mapped out during a remap and they have no issues.

    This mod is not going as far as completely mapping out the EGR so I can't see a problem.
     
  14. Stueeyb

    Stueeyb Active Member

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    If any body with the fr tdi trys this and it works can you post it on here please. Love to know if it works
     
  15. Lippo

    Lippo YNWA

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    I did this a couple of weeks ago using a cheapo cable and VAGCOM 409.1. I'm not sure if I was able to save this function in the menu. Mine's an ASZ.
     
  16. AndrewJB

    AndrewJB Friend to SEAT UK & Cupra Racing

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    I did it on my 1.4TDI when i had it, not sure if i got any better MPG as it didnt have a MPG Computer
     
  17. Si_TDi_FR

    Si_TDi_FR Active Member

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    If i can install my copy of vag-com back onto my laptop il give it a go and let you know :)
     
  18. joop200789

    joop200789 Active Member

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    its only a smoke test diesels have to pass on an mot so there should be not problems
     
  19. benuk

    benuk Active Member

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    Great! I'd never tried this as I'd thought it didn't apply to PD engines.

    I followed the instructions on my remapped PD130 ASZ engine using 409.1 and ebay cable and it worked exactly as said (220 mg/h before and 330mg/h after). You can actually hear the engine tone change ever so slightly when you switch the value.

    The only strange thing was that the first time I pressed test with the new value the save button was still grayed out.. Lippo.. is this what you mean about not sure if you saved it? I exited and went back in and repeated the process and the save button was now available, so I wrote the value. I turned the engine off and on again and read the value back to make sure it was saved.. which it was.

    :clap:
     
  20. mentalmechanic

    mentalmechanic Active Member

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    I have just done this to my 150 PD Leon 55 plate today. Reading about 355 mg/strk at idle now.

    With reference to the above comment by george130, have you had any probs with the car that were related to turning it down? Turbo ok? MPG any different? Any EML come on?

    I can't say I noticed a great deal in driveability. Turbo is definately more quiet when boosting at lower revs. Although you can still hear it quite nicely.
     

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