What is this for?

[Ti Kan]

Kate FitchGerald writes:
> [ Audi 4000S ]
> What does the (full) throttle switch do?

It tells the ECU that you're really trying to gun it.  The ECU will
do whatever it needs to give you that little extra oomph.  Typically,
it will enrich the fuel air mixture a bit.

> Similarly, what is the purpose of the idle switch?

It tells the ECU that your throttle is closed.  If the engine is idling
it will enable the idle stabilizer valve.

-Ti
01 S4 2.7 biturbo quattro
84 5000S 2.1 turbo
80 4000 2.0
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