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[Solved] VW Bora 1.9 TDI AGR Engine: EGR Plug Issues, Strange Engine Sounds, Air/Turbine Overload Concerns

Krystian1909 26703 8
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  • #1 17548554
    Krystian1909
    Level 12  
    I warmly welcome!

    Today I got to blind EGR in my 90 horsepower (AGR engine). I cleaned the EGR / intake, I put a thick plate at the fire damper opening at the bottom of the engine (not EGR), I dumped the fire damper and left the EGR. After starting the engine, everything works, the problem occurs with a few thousand. rotation. You can hear some sounds coming from around the engine, as if somewhere either the air was passing or the turbine was overloaded. Damn it knows ... Tomorrow I'm going to put back this pipe from the extinguishing flap and blind with a thinner plate at EGR. By the way ... should not my EGR solution be thrown away and instead put in the pipe that goes to the collector? I ask because the EGR escapes the air from below, where probably there should be a negative pressure from there, if the pipe from the fire extinguishing flap would be in place (without blinding). Am I right ?
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  • #2 17548636
    ciuqu
    Level 38  
    Upload some photos because I don't understand what you did. The fire damper is inside the EGR, what can be blinded there especially at the bottom of the engine? At most, the flue gas flow to the EGR is plugged, although the removal of the vacuum tube only "EGG" as long as it is tight.
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  • #3 17548913
    Krystian1909
    Level 12  
    It is possible that I have not described everything in detail.

    I am asking for photos:

    In this picture you have the bottom of the EGR (hence the air is currently escaping)
    VW Bora 1.9 TDI AGR Engine: EGR Plug Issues, Strange Engine Sounds, Air/Turbine Overload Concerns


    With this photo, when you download and open it, you have a red circle marked with a blind spot and the lines indicate the passage of the pipe that goes to the EGR.
    VW Bora 1.9 TDI AGR Engine: EGR Plug Issues, Strange Engine Sounds, Air/Turbine Overload Concerns
  • Helpful post
    #4 17549010
    ciuqu
    Level 38  
    The first photo is also to be blinded. To begin with, remove the snake from the egr and close it with e.g. a screw (the one shown in the second photo). The air should no longer escape. Then blind the bottom of the egr (1 photo)
  • #5 17549031
    Krystian1909
    Level 12  
    Ok, I'll deal with it tomorrow, let me know if the problem is gone.
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  • #6 17549170
    piachu1994
    Level 39  
    EGR is removed in the engine control software. Blinding does not remove the problem.
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  • #7 17549444
    ciuqu
    Level 38  
    In this engine it is not necessary, it should not generate errors.

    Just what "problem" is about because for now it is the author of the post by skillfully blinded himself created it.
  • #8 17549991
    Krystian1909
    Level 12  
    Hello again, I blinded the bottom of the EGR and I can not hear anything disturbing from the engine. Now just connect to the computer and check if it shows an error.
  • #9 17581326
    Krystian1909
    Level 12  
    There was nothing related to the error from EGR. I traveled by car 2 weeks and in short it was worth it. Thanks for your help and best regards.

Topic summary

The discussion revolves around issues related to the EGR (Exhaust Gas Recirculation) system in a VW Bora 1.9 TDI with an AGR engine. The user initially blindfolded the EGR and modified the fire damper, leading to strange engine sounds and concerns about air leakage and turbine overload at higher RPMs. Responses from other users suggest that the EGR should be properly sealed to prevent air escape and that the engine control software may need adjustments to avoid errors. After following the advice to blind the EGR correctly, the user reported a significant reduction in engine noise and no error codes after further testing.
Summary generated by the language model.
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