Volks AutosEM Tuning
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  1. #1
    vw754's Avatar
    vorsprung Durch Technik

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    16618 fault code

    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.
    Full leather/19"wheels/cruise/

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  3. #2
    paddy's Avatar
    Audi=No fault code, no idea

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    this is what Rosstech say

    Possible Symptoms

    • Malfunction Indicator Light (MIL) ON
    • Boost Pressure too high
    • Reduced Power Output
    Possible Causes

    • Hoses incorrectly connected, disconnected, blocked or leaking
    • Boost Pressure Control Valve (N75) faulty
    • Boost Pressure Sensor (G13) faulty
    • Turbo Charger stuck/faulty
    Possible Solutions

    • 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

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  4. #3
    vw754's Avatar
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    Perform Basic Setting (to check the Charge Pressure Control) any ideas on how to?
    Full leather/19"wheels/cruise/

  5. #4
    vw754's Avatar
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    would a faulty n75 cause a underboost or overboost?
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  6. #5
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    BUMP !!!!!!!!!!! i disconnected n75 via all the pipes re-connected...............cars ok now !
    Full leather/19"wheels/cruise/

 

 

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