Idle problems......standard for a rocco

[Wolfsbrg8v at aol.com (Wolfsbrg8v@aol.com)]

Anson wrote:

> Make sure your throttle plate is closing all the way, I've had a throttle 
> cable go bad and cause the throttle to jam partly open. After that it's 
time 
> to break out a can of carb cleaner and start spraying for vacume leaks.... 
> just have a fire extinguisher handy in case of combustion.

Being a beginner mechanic I've never done or seen a carb cleaner 
test for vacuum leaks.  What is the procedure?  I'm guessing the idle
bumps up if a vacuum leak sucks in some solvent?

Leo