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Type: Posts; User: AUDIQ7CAN

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  1. It is not easy at all because you have to take...

    It is not easy at all because you have to take the rooster turbo off to see the injectors and knock sensors!
  2. I used to try to swap the Knock sensors of the...

    I used to try to swap the Knock sensors of the bank 1 and 2 as you said but it was not easy due to compact wiring of this version.

    Anyway, the summer is coming here with the temperature above...
  3. Anyway, after visiting the Audi service with...

    Anyway, after visiting the Audi service with their conclusion on timing chain and fuel injectors, I bought the car to a workshop with the technician who used to work for VW. He concluded that there...
  4. It is correct that no MAF, instead they have two...

    It is correct that no MAF, instead they have two Charge Air Pressure Sensors at two sides of the banks.
  5. I brought the car to the Audi service. After an...

    I brought the car to the Audi service. After an hour, they told me that the car has a problem with timing chain and leaking of fuel injectors on the bank 2, mostly based on the sound of the engine. ...
  6. No, I don't have it. Do you have RTFB? If yes,...

    No, I don't have it. Do you have RTFB? If yes, kindly share with me.

    Thanks,
  7. Thanks, Jack. I will try what you said when I...

    Thanks, Jack. I will try what you said when I have the tools. However, I could not find the location of the N80 on this car, at least with my looking down! Probably, it is located around or under the...
  8. Hello, To follow up what we have discussed as...

    Hello,

    To follow up what we have discussed as well as to share with you what I have done so far, so you can help to diagnose the random misfire.

    - To verify the MAF sensors (three sensors on...
  9. Thanks Jack. I will look into leaking of...

    Thanks Jack. I will look into leaking of injectors today but still learn how to do it. Please advise if possible.

    Regarding LDP and N80, I should come back to my logical thinking that if there is...
  10. Hello All, After I changed O2 sensors of Bank...

    Hello All,

    After I changed O2 sensors of Bank 2 as well as brand-new spark plugs, the misfire of Cylinder 4,5,6 were still happening. I also looked into the CAT and think it looks not too bad...
  11. Someone got the similar problem but did not...

    Someone got the similar problem but did not receive a proper answer

    https://www.audiworld.com/forums/a6-c7-platform-discussion-194/4-5-6-cyl-misfire-3-0t-2896131/
  12. While waiting for advice from you, I am doing...

    While waiting for advice from you, I am doing some research with the Audi Q7 3.0 TSFI engine.

    – Charge air pressure sensor 2 G447 (cylinder bank 2)
    – Intake air temperature sensor 2 G430...
  13. Hello, I got the Camera so I opened up the...

    Hello,

    I got the Camera so I opened up the upstream O2 sensor to put the visual probe through it. Here are photos:

    https://i.imgur.com/mCIZOPo.jpg

    https://i.imgur.com/jQ5PXGV.jpg
    ...
  14. Thanks a lot, Aitrui. I am not a car mechanic...

    Thanks a lot, Aitrui.

    I am not a car mechanic guy but I understand the basics of combustion as well as electronics thanks to my background. Moreover, I like to explore and fix the car myself...
  15. Hi Autrui, Thanks for your kind suggestion. I...

    Hi Autrui,

    Thanks for your kind suggestion. I really appreciate if you can post a few photos of the cat as well as guideline of how to analyze and replace it.
    I am searching for a sparse part of...
  16. One thing I can add is that the oil consumption...

    One thing I can add is that the oil consumption is very high (I needed to fill up more than a little of oil after 2000km). It seems you are right, Jack.

    Anyway, what should I do in this case as I...
  17. Hello, It has been a long while since my last...

    Hello,

    It has been a long while since my last post but I will definitely NOT leave this thread without my conclusion and update about what has been going on with my car and how I did because I...
  18. Thanks a lot, LARIMORE! 008768 - Oxygen...

    Thanks a lot, LARIMORE!



    008768 - Oxygen (Lambda) Sensor B2 S1
    P2240 - 000 - Pump Current Open Circuit - Intermittent
    Freeze Frame:
    Fault...
  19. Thanks a lot, Jack@European_Parts. I'm...

    Thanks a lot, Jack@European_Parts.

    I'm learning to understand how to solve this problem completely. To do so, I drove another 100km and scanned the car again. The report is exactly the same as...
  20. Thanks a lot, Uwe. Since I shared the...

    Thanks a lot, Uwe.

    Since I shared the auto-scan on the first post, I cleared all DTCs and drove about 100km to examine what is going on when the weather become cold (5 C_degree) now. The Engine...
  21. Thank you very much, Uwe. Following your and...

    Thank you very much, Uwe.

    Following your and golfi_vend's advice, I will particularly look into MAF and O2 sensors. I think I should check and clean MAF sensor first. If the misfire is still...
  22. Thanks a lot for your advice, Golfi_vend. ...

    Thanks a lot for your advice, Golfi_vend.

    First, I don't have any issue to put the full auto scan but my car also has other issues, which I don't want you to be distracted with while I only...
  23. Audi Q7 (2012) Misfire with cylinder 4,5,6 only, please help to diagnose

    Hello Audi folks,

    My AudiQ7 (2012) has misfire with cylinders 4,5,6 (only the left one) only (1,2,3 perfect without any error). The Engine light was randomly popped up and sometimes automatically...
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