Re: [DML] Cold Idle Problem

["content22207" <brobertson@xxxxxxxxxxxx>]

The engine produces the same amount of vacuum whether it's idling off
cracked throttle plates, opened manifold screws, or CIS. All three
accomplish the same thing.

One thing cracked throttle plates will do that neither CIS nor the
manifold screws will is open ported vacuum. On a stock DeLo setup that
only affects charcoal canister purge.

Bill Robertson
#5939

>--- In dmcnews@xxxxxxxxxxxxxxx, "Joseph Kuchan" <josephkuchan@xxxx>
wrote:
> 
> You should start by readjusting the throttle to the proper position.
You 
> will never fix it if you make "masking" adjustments, although I know
you did 
> that just to get by with the intention of fixing it properly at this
time. 
> By turning the throttle adjusting screw you almost certainly reduced
the 
> amount of vacuum the engine produces. That can affect your braking,
among 
> other things, so start by getting that set properly.
> 
> Next have a look at the idle speed motor and its controls.
> 









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