No boost on VW 2011 1.4 tsi(CAX)

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  • June 10, 2019 at 3:40 pm #58468
    Tradman
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      Hi there. The fault codes I get are below. I have removed the N75, cleaned it, put 12V on it to test that it works and it does. The waste gate actuator has no leaks and operates when I apply positive air pressure. The solenoid controlling/opening/closing the air pressure to the waste gate has no leaks and actuates when I apply 12V to it.
      The engine revs slowly with little power and definitely no boost. I have also cleaned both MAP sensors. I say both because the they are identical. One sits on the intake mani and the other on the charge pipe before the throttle body. Your help will be greatly appreciated! BTW I have a VAG-COM cable and software.
      Thanks, Tim

      000051 – Turbocharger Bypass Valve Control Circuit
      P0033 – 000 – Malfunction / Open Circuit – Intermittent
      Freeze Frame:
      Fault Status: 00100000
      Fault Priority: 0
      Fault Frequency: 3
      Reset counter: 255
      Mileage: 137670 km
      Time Indication: 0
      Date: 2013.10.30
      Time: 13:43:58

      Freeze Frame:
      RPM: 513 /min
      Load: 47.8 %
      Speed: 0.0 km/h
      Temperature: 21.0°C
      Temperature: 18.0°C
      Absolute Pres.: 860.0 mbar
      Voltage: 11.049 V

      000579 – Solenoid Valve for Boost Pressure Control (N75)
      P0243 – 000 – Malfunction – MIL ON
      Freeze Frame:
      Fault Status: 00100000
      Fault Priority: 0
      Fault Frequency: 3
      Reset counter: 255
      Mileage: 137670 km
      Time Indication: 0
      Date: 2013.10.30
      Time: 13:43:58

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