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  1. #1
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    audi a3 1.8t quattro sport 180 ARY 2002

    HI GUYS.my car keeps throwing up the fault code 17939, which is either the camshaft sensor or adjustment valve.it does seems to idle a bit more rough than it used to.any ideas, as I dont want to replace the wrong part.a few times the eml light has come on.i dont know if thats to do with that or not.i have no other fault codes apart from this one.regards spence.

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  3. #2
    <tuffty/>'s Avatar
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    17939/P1531/005425 - Ross-Tech Wiki

    17939/P1531/005425 - Camshaft Timing Adjustment: Open Circuit
    Possible Symptoms

    Malfunction Indicator Light (MIL) ON

    Possible Causes

    Fuse(s) faulty
    Wiring and/or Connector(s) from/to Camshaft Adjustment Valve (N205) faulty
    Camshaft Adjustment Valve (N205) faulty

    Possible Solutions

    Check Fuse(s)
    Check Wiring and/or Connector(s) from/to Camshaft Adjustment Valve (N205)
    Check/Replace Camshaft Adjustment Valve (N205)



    Check the VVT is plugged in



    <tuffty/>
    Silver 2001 AMK S3. Silver alcantara interior... now with added powarrrrrrrr, torques. VAGCOM + KII-USB. >> My build thread...

  4. #3
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    Thanks for pic.i take it connector on the right of the engine is what I need to check ? Thanks spence

  5. #4
    <tuffty/>'s Avatar
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    Yep...

    If its connected then check the wiring... open circuit suggests a break in connection so either not plugged in or a break in the wire

    <tuffty/>
    Silver 2001 AMK S3. Silver alcantara interior... now with added powarrrrrrrr, torques. VAGCOM + KII-USB. >> My build thread...

 

 

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