Re: [DML] High Idle

[JDub <doki_pen@xxxxxxxxx>]

The stop screw is backed all the way out.

I tested for leaks in the butterflies today.  Here's
what I did:

I took off the throttle body and fed 5psi of air in to
the vacuum port on the bottom of it.  While holding
the throttle body down on a piece of cardboard I
sprayed soapy water down on to the butterflies and
could see bubbles coming from all around them and from
the shafts on the left and right sides.  I still don't
know if this is enough of a leak to make the engine
idle high, what do you think? Should the shafts seal
%100?

Jon


--- David Teitelbaum <jtrealty@xxxxxxxxxxx> wrote:

> 
> 
> 
> The most likely reason for air to be getting past
> the throttle plates
> is that the stop screw on the throttle arm is not
> adjusted properly
> allowing the plates to be cracked open a little. You
> might also have a
> decel valve that is dirty and leaking. They are
> those little thingies
> with the springs on the throttle plates. They should
> move freely and
> seal tight.
> David Teitelbaum
> vin 10757
> 
> 
> --- In dmcnews@xxxxxxxxxxxxxxx, JDub <doki_pen@xxxx>
> wrote:
> > 
> > So I did a little test today, I put a piece of
> > cardboard between the throttle body and the air
> > metering unit.  I hooked back up the idle speed
> motor
> > and the car idled perfect! Right on 775 RPMS.  So
> I
> > now know the problem is with air getting by the
> > butterflies in the throttle body.  Do you think
> it's
> > possible those spring loaded little thingys could
> be
> > defective?  I guess it could still be air slipping
> by
> > t
> 
> 
> 
> 
> 
> 
> 
> 
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> 






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