17705/P1297/004759

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Revision as of 12:06, 15 June 2010 by RtWiKiSyS0p (talk | contribs)

17705/P1297/004759 - Pressure Drop between Turbo and Throttle Valve (check D.V.!)

Possible Symptoms

  • Malfunction Indicator Light (MIL) ON
  • Power Loss

Possible Causes

  • Leaking Hoses and/or Pipes between Components
  • Boost Pressure Control Valve (N249) faulty
  • Diverter Valve faulty
  • Throttle Body dirty

Possible Solutions

  • Check Hoses and Pipes between Components
  • Check / Replace Boost Pressure Control Valve (N249)
  • Check / Replace Diverter Valve
  • Check / Clean Throttle Body
    • Perform Throttle Body Alignment

Special Notes

  • Did anyone install an extra (wrong) dump valve?
  • When found in the NAR 2.0T (BPY) check RVUTB: 01-09-03 or 2018919 for updated Crankcase Breather Valve
    • If the breather valve is faulty, full engine vacuum is typically found when removing the oil cap at idle.
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