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charge pressure control?

Discussion in 'A4/A4 cabriolet/S4 forum(B6 chassis)' started by 2003 a4 sport tdi 130, Jan 9, 2008.

  1. 2003 a4 sport tdi 130
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    2003 a4 sport tdi 130 Member

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    bit worried.... got a vag check today after getting fed up of an annoying whirring noise coming from engine after 40 miles ph...had assumed it was cause i changed my tyres....

    fault code 17964 charge pressure control - negative deviation p1556 35 00
    SHOULD I BE WORRIED???

    HELP PLEASE!!!!
    #1
  2. 2003 a4 sport tdi 130
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    2003 a4 sport tdi 130 Member

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    please help me out here guys.... someone must know what charge pressure is????

    steve
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  3. vw754
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    vw754 vorsprung Durch Technik

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    nothing worry about,check all you hoses for any splits. Also check your n75 valve.Boost Pressure too Low
    Hoses/Pipes incorrect connected, disconnected or leaking
    Charger Pressure Control defective
    • VNT (variable nozzle turbo): nozzles stuck
    Solenoid Valve for Boost Pressure Control (N75) defective
    #3

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