Idle and Acceleration issues

[Ti Kan]

Benjamin Kaupp writes:
> So... I was driving down Scotts Valley Drive yesterday when suddenly my
> 4kq started to lurch. At this point, I thinks to myself, I thinks "Self,
> that ain't right". Then at the next stop light, it nearly dies and
> doesn't respond to any throttle commands. Finally, after flooring it for
> a coupla seconds, it picks itself up out of the gutter and very roughly
> starts its foreward movement again. I go through the gears just fine,
> but every time I change anything about the throttle, it bucked like mad.
> I limped into a parking lot, shut it off, start it up after checking for
> obvious issues under the hood, and it's just fine. Then on Highway 9 it
> did it again today at 65 mph. So what's wrong with my car? Has this ever
> happened to anybody? I seem to remember something similar in my old BMW
> 535is, but I don't remember what was wrong.

A bad air leak in the intake tract suddenly developed?

-Ti
2003 A4 1.8T multitronic (soon)
2001 S4 2.7T
1984 5000S turbo
1980 4000 2.0
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