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4000q erratic cold Idle

	One last question.  My 4000q Idles bad when it is cold.  I know I have a slight vaccume leak but even with that fixed it still does it.  When I first start it it varies between 1800 RPM and about 400 RPM.  What gives.   Also, that big, short vacuum hose next to the intake manifold keeps colapsing.  IS that normal.  I borrowed one off of another Audi and it did it too.  Are all these problems inter-related.  I think they are.  On Hot days it even dies when I stop at a stop sign sometimes.  When the RPM's drop they just keep dropping.  What is wrong.  Thanks.

		Todd Phenneger
		84' 4000q