Idle Adjust Screw

[Mike Sylvester]

He may be talking about the adjustment on the dampener.
That's the plunger that keeps the throttle from closing too quickly.
Obviously it should not be used to adjust the idle.

That is a M8, however it is not the standard thread pitch.
It is  M8 x 1.00


Mike

www.urq20v.com

> -------- Original Message --------
> Subject: Re: Idle Adjust Screw
> From: Brett Dikeman <brett.dikeman at gmail.com>
> Date: Sat, December 12, 2009 6:39 pm
> To: Nathan Winters <natewin at yahoo.com>
> Cc: 200q20v at audifans.com
> 
> 
> On Tue, Dec 8, 2009 at 11:30 AM, Nathan Winters <natewin at yahoo.com> wrote:
> 
> > Does anyone know what the thread diameter / pitch is on the idle adjust screw?
> > I've looked in the family album and that area doesn't seem too detailed.
> 
> There is no idle adjust screw.   Whatever you found, do not touch!
> The only throttle adjustment is the throttle position sensor, and
> there is a fairly specific adjustment procedure in the Bentley.
> 
> Idle is handled exclusively by the idle stabilization valve, which is
> not adjustable (the ECU adapts to leaks.)  If you're having trouble
> with the idle, then clean the valve with throttle body cleaner (not
> carb cleaner, NOT brake cleaner!)  The vane should be slightly open
> with the valve disconnected.
> 
> Idle and off-the-line throttle will also be helped by cleaning the
> throttle - make sure to wipe down and spray every edge.
> 
> -B
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