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Thread: Audi A5 power issue, hesitating! 😭

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  1. Angry Audi A5 power issue, hesitating! 😭 
    #1
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    Hi everyone.

    This is my first proper post on here so I hope it's in the right section!


    I had my 2008 Audi A5 3.0 tdi for 4 months now, nice car, but tbh I've had enough of it and hope somebody can help!
    Its most common fault is when I put my foot down I get about 2 seconds of good power.
    After that power is restricted for a few seconds, then will return for a split second, then go again.

    Its as if the fuel pressure is changing between good pressure and a lower pressure. Engine runs smoothly.

    I have the following fault codes which I believe to be nothing to do with this fault.....

    p0546 - sensor 1 for exhaust temperture bank short to ground
    p0638 - throttle body actuator bank 1, signal implausible

    p0671 - glow plug issue
    p161f - glow plugs again


    I have just changed the maf today and it has made no difference. Thanks in advance for
    any help.
     
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  2. Re: Audi A5 power issue, hesitating! 😭 
    #2
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    so go for a drive and look at the live data readings.
    Audi 80 tdi avant with 360,000 miles...
     
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  3. Re: Audi A5 power issue, hesitating! 😭 
    #3
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    Check the manifold flap links to see if the have come off.
    Anthropogenic climate change, the biggest con inflicted on mankind since religion...

    Slava Ukraini
    !


     
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  4. Re: Audi A5 power issue, hesitating! 😭 
    #4
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    I did this. My maf was faulty and replaced this but everything else looked fine. Problem still persists ☹️
     
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