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  1. #1
    Veteran Member Four Rings
    Join Date
    May 26 2005
    AZ Member #
    6644
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    CLS63tt
    Location
    Boston

    Guys Help!!! Engine knocking car running very rough, no acceler

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    on my way to work this morning, I hit the gas in 5th at about 80, right away check engine is blinking, car is running very rough and barely accelerating all the way there, shaking too. Popped the hood, engine is making a knocking sound and seems like its struggling to run. I did a visual inspection and it all seems fine, what the hell happened? I change coilpacks all the time and this ain't it... This fucking car!

  2. #2
    Veteran Member Three Rings Hamotee's Avatar
    Join Date
    Oct 30 2005
    AZ Member #
    8564
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    Other German Stuff
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    Athens,Ga. Clemson,Sc

    Re: Guys Help!!! Engine knocking car running very rough, no acceler

    Are you sure its not a coilpack? It could be more than one going bad at the same time.
    How to account for this massive success? Pure luck? Transcendental meditation? Machiavellian manipulation? Aerodynamics? High colonics? We haven't the slightest idea. -P.L. Newman

  3. #3
    Veteran Member Three Rings eg6siR's Avatar
    Join Date
    Feb 06 2008
    AZ Member #
    24979
    My Garage
    1993 honda civic Si, 2004 Audi
    Location
    pittsburgh pistolvania

    Re: Guys Help!!! Engine knocking car running very rough, no acceler

    i know you said you change coils all the time, but maybe you blew 2. i had 2 go out and it felt like what you describe, way worse than when only 1 failed. i am now running the Beru coils for a skoda, i got them off of ebay europe, they have been flawless for 10k miles and about a year and a half.
    snailspeed.net

    04 1.8t 6spd dolphin grey

    "you can go fast cheap but it wont be perfect, or you can build it right and go fast, but it wont be cheap"

  4. #4
    Veteran Member Four Rings A4 TSCHUSS's Avatar
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    Apr 24 2005
    AZ Member #
    6213
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    E55 AMG, CTS-V
    Location
    Jacksonville, Florida

    Re: Guys Help!!! Engine knocking car running very rough, no acceler

    coil pack
    ~David~


    Gone but not forgotten 437whp on 93 octane and washer fluid injection A4 12.2 best ET, 12.3@119 best overall
    480whp/500wtq E55 AMG 11.6@120
    CTS-V 9.6@148

  5. #5
    Veteran Member Four Rings
    Join Date
    May 26 2005
    AZ Member #
    6644
    My Garage
    CLS63tt
    Location
    Boston

    Re: Guys Help!!! Engine knocking car running very rough, no acceler

    I'd love for it to be a coilpack, I had all 4 go before and 1-2. Has never been this bad + the knocks :\

  6. #6
    Veteran Member Three Rings Hamotee's Avatar
    Join Date
    Oct 30 2005
    AZ Member #
    8564
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    Other German Stuff
    Location
    Athens,Ga. Clemson,Sc

    Re: Guys Help!!! Engine knocking car running very rough, no acceler

    Do you have access to a vag com?
    How to account for this massive success? Pure luck? Transcendental meditation? Machiavellian manipulation? Aerodynamics? High colonics? We haven't the slightest idea. -P.L. Newman

  7. #7
    Veteran Member Four Rings
    Join Date
    May 26 2005
    AZ Member #
    6644
    My Garage
    CLS63tt
    Location
    Boston

    Re: Guys Help!!! Engine knocking car running very rough, no acceler

    tomorrow yes, the wait will be tough though. Thinking about using a dif car to head to the dealer for coils now, coilpacks are becoming another car payment

  8. #8
    Registered Member Two Rings Fit4aking's Avatar
    Join Date
    Oct 13 2008
    AZ Member #
    34151
    My Garage
    Mk III Golf 2.slow
    Location
    Catonsville

    Re: Guys Help!!! Engine knocking car running very rough, no acceler

    Coil packs would be the obvious answer but if any of the check valves in your vacuum system are leaking or if your suction pump has split it will run very much the same. Try pulling the dipstick out when the car is running. If there is a large vacuum trying to pull the stick back into the sump than it isn't a coil pack, its an internal vacuum leak. Just another option.
    www.spankysspeedshop.com

    Audi tech since 2002, and still not a thief. Had to scratch the 'dealer' part as I will no longer be associated with any dealer for the first time in over a decade. That's right, I'm moving on to the independent side of things.

  9. #9
    Veteran Member Four Rings aaaudiprotein's Avatar
    Join Date
    Apr 17 2007
    AZ Member #
    17337
    My Garage
    2003 RS6
    Location
    Chicago Burbsss

    Re: Guys Help!!! Engine knocking car running very rough, no acceler

    Quote Originally Posted by Fit4aking View Post
    Coil packs would be the obvious answer but if any of the check valves in your vacuum system are leaking or if your suction pump has split it will run very much the same. Try pulling the dipstick out when the car is running. If there is a large vacuum trying to pull the stick back into the sump than it isn't a coil pack, its an internal vacuum leak. Just another option.
    Oh, that's some good info. Im sure i got a vacuum leak, i would try that today. thanks.
    BLACKHAWKS 2010, 2013 and 2015 STANLEY CUP CHAMPIONS
    Windows 7 WAS MY IDEA

  10. #10
    Active Member Four Rings Maverick's Avatar
    Join Date
    May 03 2007
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    german
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    heaven/hell

    Re: Guys Help!!! Engine knocking car running very rough, no acceler

    this is an option,

    call me up later. I will help you out
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  11. #11
    Veteran Member Four Rings
    Join Date
    May 26 2005
    AZ Member #
    6644
    My Garage
    CLS63tt
    Location
    Boston

    Re: Guys Help!!! Engine knocking car running very rough, no acceler

    are you talking about the oil dipstick??
    All audi vw parts are closed today so I'm ditching the car here and it won't even get stolen lol
    Mav I txted u

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