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  1. #1
    Veteran Member Four Rings pit viper's Avatar
    Join Date
    Sep 25 2008
    AZ Member #
    33435
    My Garage
    2000 A6 2.7
    Location
    Phoenix, AZ

    big problem, need help!

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    Ok, got my driveshaft front & rear cv joints, and my center support bearing, replaced this week. I picked up the car yesterday, and it was running great!

    On the way home, I decided to floor it a bit. I was doing a 3rd gear pull, and all of a sudden it felt like I hit a wall. I immediately clutched in, because my first thought was that something had gone wrong on the driveshaft. However, when I released the clutch, it still engages fine. However, if I true to accelerate at all, the car starts bucking real bad. If I get on the gas very, very lightly, the car will accelerate a little, and it seems as the rpms climb it gets just a hair smoother, but still can't increase the throttle at all without the car freaking out.

    Here's another weird symptom. When I take the car out of gear, I lose my power steering. When I put it back into gear, I get my power steering back.

    My only thought is that maybe I blew an intercooler pipe off? I'm not used to MAF cars, so I'm not sure how badly that would affect the car. My wife and I were going out to dinner right after getting the car home, so I haven't had a chance to inspect it yet.

  2. #2
    Established Member Two Rings
    Join Date
    Aug 27 2008
    AZ Member #
    32446
    Location
    lincoln nebraska

    Re: big problem, need help!

    sounds like a boost leak. does it idle funny?

  3. #3
    Established Member Two Rings EnviedA6's Avatar
    Join Date
    May 06 2008
    AZ Member #
    28501
    Location
    Minneapolis, MN

    Re: big problem, need help!

    You have a boost leak somewhere. When you start to boost, the car starts bucking and doesn't want to accelerate like it's supposed to. Start the engine, look under the hood and see if you can hear any leaks. Main culprit is the TBB, but check all vacuum lines.
    Envied A6
    2001 Silver Audi A6 2.7T Tiptronic, APR Stage 2 chip, Blitz custom intake, Dynomax Turbo custom exhaust, Custom down pipes, Turbosmart MBC, Carbon Fiber interior trim, arm rest, engine cover, air box cover, hood,trunk, mirrors, B pillars, eyebrows,Tinted tails & side markers, H&R lowering springs, H&R 5mm and 10mm wheel spacers, 19x9 Konig Next wheels, 245/35/19 Toyo Proxeys 4

  4. #4
    Veteran Member Four Rings pit viper's Avatar
    Join Date
    Sep 25 2008
    AZ Member #
    33435
    My Garage
    2000 A6 2.7
    Location
    Phoenix, AZ

    Re: big problem, need help!

    One of the clamps on the tbb failed. Problem solved.

    Thanks.

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