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Thread: Idle surge

  1. #1
    Active Member One Ring
    Join Date
    Mar 06 2016
    AZ Member #
    369815
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    Nh

    Idle surge

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    Hey guys I thought I posted this already but I guess I never did. My car randomly surges at idle after coming to a stop and I'm out of ideas... I.e. Pcv solution, r8 coils and new plugs have been done and still no change! I is this possibly a bad n75? I still hit 20 psi until ko3 falls off but I have heard something about the n75 causing surge in idle? Any imput would be good. Car seems to run good everywhere else... Thanks in advance.

  2. #2
    Veteran Member Four Rings Der Konig's Avatar
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    Jul 09 2009
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    '06 a4 2.0T 6MTQ, S3 '01.5 s4 avant 6speed, '12 KO4 Audi Q5
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    I can't remember the number, n75? N80? The one next to the intake manifold on the drive side can cause surging. I'll look when nkt on my phone.

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  3. #3
    Veteran Member Four Rings Okedokey's Avatar
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    Oct 24 2015
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    Perth, WA

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