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16618 fault code

vw754 Oct 22, 2011

  1. vw754

    vw754 vorsprung Durch Technik

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    16618: Boost Pressure Regulation: Limit Exceeded (Overboost Condition) no lights come on in the dash,car go's very slow...cant get it to go over 80mph.........only does it in higher gears on A roads etc.........if i boot it local its ok.

    N75 has been making a whirring noise for about a month now.
     
  2. paddy

    paddy Audi=No fault code, no idea

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    this is what Rosstech say

    [h=4]Possible Symptoms[/h]
    • Malfunction Indicator Light (MIL) ON
    • Boost Pressure too high
    • Reduced Power Output
    [h=4]Possible Causes[/h]
    • Hoses incorrectly connected, disconnected, blocked or leaking
    • Boost Pressure Control Valve (N75) faulty
    • Boost Pressure Sensor (G13) faulty
    • Turbo Charger stuck/faulty
    [h=4]Possible Solutions[/h]
    • Check Charge Pressure Control System
      • Perform Output Test (to check the Turbo Charger)
      • Perform Basic Setting (to check the Charge Pressure Control)
      • Perform Pressure Test to locate Leaks
    • Check/Replace Boost Pressure Control Valve (N75)
    • Check/Replace Boost Pressure Sensor (G13)
    • Check/Replace Turbo Charger
    Category: Fault Codes

     
  3. vw754

    vw754 vorsprung Durch Technik

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    Perform Basic Setting (to check the Charge Pressure Control) any ideas on how to?
     
  4. vw754

    vw754 vorsprung Durch Technik

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    would a faulty n75 cause a underboost or overboost?
     
  5. vw754

    vw754 vorsprung Durch Technik

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    BUMP !!!!!!!!!!! i disconnected n75 via all the pipes re-connected...............cars ok now !:think:
     
  6. khanvict86

    khanvict86 New Member

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    Vw745 IM having the same issues help me out bro !
     
  7. JamesVAG

    JamesVAG New Member VCDS Map User

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    I'm now having the exact same issue. any updates to this? My cars done 150000 im hoping its not the turbo
     

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