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Electrical malfunction - Starting problem. Please help!?!?! Code 17925

Discussion in 'A3/S3/Sportback (8P Chassis)' started by QUATTROMAX, Nov 3, 2013.

  1. QUATTROMAX
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    QUATTROMAX New Member

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    [Nov 3, 2013]
    I've been having an intermittent fault with my A3 1.8T Quattro (2000)
    occasionally it would start on 3 cylinders when warm - now it only starts from cold and when warm will, without fail start on 3 cylinders. I have to leave it about an hour before I can start on 4 cylinders again.

    Snap-on Diagnostics code was;

    17925 - Power supply relay for ECU (J271 or J363) Electrical malfunction P1517 intermittent

    Anybody know exactly what the fix for this fault is?? I would be grateful, it's driving me nuts.

    I also got the following fault but I'm not sure it's related :/


    17521 - o2 Sensor bank 1 sensor internal resistance too high P1113 intermittent.
    #1
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  3. LEE69
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    LEE69 07 170 DSG

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    [Nov 3, 2013]
    #2
  4. QUATTROMAX
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    QUATTROMAX New Member

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    [Nov 3, 2013]
    Thanks LEE69 :)
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