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Thread: a3 DTC`s

  1. #1
    Reverse Gear

    Join Date
    Jan 2013

    a3 DTC`s

    Hi all new on here. Looking for some help a family members a3 2000 plate 1.8t has just came up with rather a lot of fault codes.
    I have scanned it with vag com. and have recieved these fault codes.
    will be uploading pics and some small videos. As ive just found out codes to measure some blocks. Not that i understand them all that much. The power supply one is probally due to the fact shes just had the battery changed possibley?
    Also i have measured blocks 15 16 in one picture are these showing missfires?

    Heres a couple of vids
    Not sure if the videos are showing? If not i will change the linksthanks
    Im pretty sure here car hasnt been getting up to temp or at least the gauge hasnt. Obviously CTS but coukd this cause all the other problems with the extra coldness of late?
    any help would be greatly appreciated thanks alot.
    Last edited by fixmea3; 21st January 2013 at 19:10.

  2. # ADS
    Join Date
  3. #2
    Reverse Gear

    Join Date
    Nov 2009
    In order to have MISFIRE DETECTION ENABLED you HAVE to by moving/driving the car.
    The engine is COLD, so probably the Secondary Air Pump is ON giving you high Air Rate.
    Check for cable problems near Lambda Sensors.
    Perform READINESS TEST (select the right or almost right engine
    Clear the codes and check which codes come on first in order to narrow troubleshooting.
    Good troubleshooting guide - FAQ - -= 1.8t Technical Forum Guide { FAQs | Tuning/Modification Assistance | Troubleshooting } =-



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