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Thread: Audi A3 1.6 8p 2011: Vibration and loss of power

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    Pirate
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    Oct 2018
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    Unhappy Audi A3 1.6 8p 2011: Vibration and loss of power

    Hello,

    I'm new in this forum. I have Audi A3 1.6 8p model 2011.
    I had frequently a problem with injectors, I replaced till now 3. The symptoms were loss of power, vibration at idle and noise during acceleration.
    The last weekend, I updated the software of the ECU engine from 5xxx to 9978. After that I did an adaption of injectors. At the end of adaptation, I tested my car and all previous symptoms are gone. Two hours later, I tested it on a high way and suddenly 2 lamps are set in my dashboard, engine management lamp which was blinking and Emission control lamp. Afterwards, I stopped immediately my car and I tried to start it again, then a vibration on my engine was begun. By diagnosing My ECU engine, I noticed a logged dtc related to flow meter where the signal is too high and no failure on my injectors:

    Code:
    Removed.  Data from a clone/pirate copy of VCDS is not welcome here.
    So in order to confirm that my flow meter is bad, I unplugged it and I started my car, at idle the gauge of rotation speed was not stable, it was moving between 800 and 950 tr/min. After that I run, I noticed really a smooth acceleration with a loss of power.

    After that I plugged again and I recorded the values gotten from flow meter :
    The test was done between 900 and 1200 tr/min.
    Code:
    Removed.  Data from a clone/pirate copy of VCDS is not welcome here.
    By the way, I checked the air filter, It's clean. I replaced the gasoline filter, I emptied the Tank and I Cleaned it.
    What can be the cause in your opinion?

    Thanks in advance for any help you can provide!
    Last edited by Uwe; 10-24-2018 at 10:56 AM.

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