Help! Need advice on slight bogging at 3000 rpm

[rick@brubakerbox.com (Rick Alexander)]

There is a procedure for the initial set up of the plunger depth in the
Bentley. I understand (from my CIS-E expert mechanic) that to get it spot on
requires a bit of experience and a lot of patience.

Reprogramming the nut behind the wheel means me (driving style).

Rick Alexander
http://www.brubakerbox.com
http://clubs.hemmings.com/hams/
http://clubs.hemmings.com/vwsrus/

----- Original Message -----
From: "Jeff Toomasson" <jtoomasson@yahoo.com>
To: "Rick Alexander" <rick@brubakerbox.com>; <scirocco-l@scirocco.org>
Sent: Wednesday, April 10, 2002 11:16 AM
Subject: Re: Help! Need advice on slight bogging at 3000 rpm


> How did you (or the mechanic) adjust the plunger back to specs? Is there a
> procedure in the Bentley?
>
> Also, what do you mean when you refer to "re-programming the driver"? Are
> you not running CIS-E? Or are you referring to changing your driving
style?!
> ;)
>
> Thanks for the input - JT
> ----- Original Message -----
> From: "Rick Alexander" <rick@brubakerbox.com>
> To: <scirocco-l@scirocco.org>
> Sent: Wednesday, April 10, 2002 4:29 AM
> Subject: Re: Help! Need advice on slight bogging at 3000 rpm
>
>
> > I have an idea about this, or maybe Rolling Roc is suffering the same
> > problem. Yesterday I had a pro finally sort out my drivability problems.
> It
> > turned out to be an incorrectly adjusted fuel distributor plunger.
Anyway
> > the car is running so nicely now that I'm able to feel other things and
on
> > my drive last night (what a joy). I thought I was able to feel the knock
> > sensor retard the advance at times. It happened when in a high (too
high)
> > gear and pulling. Slightly pulling it was the most discernable When
> pulling
> > hard it was hard to detect but was there. When in a more appropriate
gear
> > there was no reduction of performance. I burn 92 + octane but these are
> the
> > exact conditions that produce detonation and consequently the activation
> of
> > the knock sensor system to retard the advance.
> >
> > I've solved the problem by reprogramming the driver... perfect cheapass
> (tm)
> > solution.
> >
> > Rick Alexander
> > http://www.brubakerbox.com
> > http://clubs.hemmings.com/hams/
> > http://clubs.hemmings.com/vwsrus/
> >
> > ----- Original Message -----
> > From: "Craig Williams" <roccolister@hotmail.com>
> > To: <jtoomasson@yahoo.com>; <scirocco-l@scirocco.org>
> > Sent: Wednesday, April 10, 2002 12:10 AM
> > Subject: Re: Help! Need advice on slight bogging at 3000 rpm
> >
> >
> > > OK,
> > >
> > > Let me see if I can come up with some ideas here...
> > >
> > > The TT mudule. It's possible. I had an older version (mounted in a
black
> > > box) that would dump fuel in at just the wrong time, but I haven't
heard
> > of
> > > any that are your style messing up.
> > >
> > > We noticed that your distributor was leaking and that could be
throwing
> > oil
> > > around inside your dist. cap causing some spark issues.
> > >
> > > It could be dirty injectors, or simply that the fuel mixture needs to
be
> > > adjusted.
> > >
> > > Just my thoughts. -- Craig
> > >
> > >
> > > >From: "Jeff Toomasson" <jtoomasson@yahoo.com>
> > > >To: <scirocco-l@scirocco.org>
> > > >Subject: Help!  Need advice on slight bogging at 3000 rpm
> > > >Date: Mon, 8 Apr 2002 08:30:58 -0700
> > > >
> > > >Sorry for the re-post - but I didn't get a response the first time
> around
> > > >and this little hesitation is really bugging the sh*t out of me!
> > > >
> > > >I really only notice it under slight acceleration, but it feel like
> > > >something electrical is cutting out or the airflow is being choked
off.
> > > >
> > > >Is there anything significant that occurs at approximately 3000 rpm?
> > > >
> > > >Could it be anything with my TT fuel module?
> > > >
> > > >Anybody?  Bueller? Bueller?   :)
> > > >
> > > >TIA, JT
> > >
> > >
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