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DTC code nightmare! HELP!

Discussion in 'General Technical / How To' started by recplas, Jan 7, 2010.

  1. recplas

    recplas New Member

    Jan 7, 2010
    Likes Received:
    Hi All.

    I hope someone can help! I am a newbie Diy'er. I have just serviced the vihicle, incuding oil / filter / air filter / sparkplugs. It is a 2.0 TFSI A4 (2006) with 90K on it.

    I have a set of error codes that have come up a few days after the service (possibly unrelated).

    They are...
    17026/P0642/001602 - Sensor Reference Voltage A: Circuit: Low
    19593/P3137/012599 - Intake Manifold Runner Control: Basic Setting not Completed
    18693/P2261/008801 - Boost Pressure Control Valve (N249): Mechanical Malfunction
    P000A/000010 - Camshaft A (Bank 1 Intake): Positioner Slow Response

    Any ideas where I should start?

    Could the coils have been damaged whilst replacing the sparkplugs? Which item is most likely to cause this sudden line-up of issues?

    Intake manifold perhaps?

    Should I reset the errors and see which ones come up again?

    Any advice would be greatly appreciated! I'd hate to go on a wild goosechase when there is a single likely solution!

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