HELP FOR A NEWB: Why won't the @$*$ing thing start?? (5000S)

[Kneale Brownson]

At 04:00 PM 07/27/2003 -0400, P.H. wrote:
>I posted earlier, and checked out things that people suggested (major hoses,
>oil cap) and I am still unable to start the engine on my Audi 5000S. After
>smelling the gas, I drained the fuel tank and it came out nasty. Reconnected
>everything, checked all lines and they are tight.  The engine will crank,
>but it won't "catch" i.e. start turning on its own. I removed the ISV and
>cleaned it out w/ carb cleaner (idle is all over the place, as is accel.)
>and then placed it. After I did this was when this starting problem started.
>The battery is full, and new gas is in the lines. Could it be a plug in the
>fuel delivery system somewhere?

Do you know that you have fuel at the engine at proper pressure?  (is the
fuel pump running???)  Do you know that you have spark at the engine?