[V8] V8 stall downhill in gear

[Coleman, David]

> ... as you can infer from my post, both my 5-speed cars show the "---"
> display ... sometimes even when I don't want them to ... ;-)
> 
> I would not suspect the computer ... not right away at least 
> ... the first thing I'd do is check to make sure that the 
> idle switch is closing when the throttle is at idle ... you 
> could have a gunked up TB or adjustment issue with the TB or TPS ...

Is there a standard procedure to check the idle switch operation?  I've
got some funky idle issues anyway (car will occasionally hesitate to
start without a little extra cold start juice, and stall when the clutch
is disengaged).   You could eat of the TB, and the TPS seems adjusted
correctly..