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EGR solenoid valve block buzzing

Discussion in 'A3/S3/Sportback (8P Chassis)' started by kungfurasta, Mar 2, 2013.

  1. kungfurasta
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    kungfurasta New Member

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    Hello good folks of audi-sport.

    I have noticed a buzzing sound coming from the solenoid valve block (n18?).

    Does anyone know what might be the cause?

    Is this normal?
    #1
  2. kungfurasta
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    kungfurasta New Member

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