[V6-12v] Cruise control on a 1994 90S

[Dan Cooke]

My 96 A6Q Avant has intermitten cruise problems but it is just something in 
the
switch mechanism next to the instrument cluster.  It sometimes will not 
engage,
so I cycle the switch position from on to off and back on again (sometimes to 
the resume position) before it will again engage.  In my case, dirty contacts 
I'm sure.
Might be worth a try anyway.

Dan

> David Torrey <davidtorrey2004 at yahoo.com> wrote:    Hi Folks -
>    
>   The cruise control on my 1993 100 CSQ Avant is no longer working either.  
> I just replaced the valley pan gasket and replaced all vacuum lines.  
> Still no cruise control.  It used to work intermittently once the engine 
> warmed up.  Whatever that means.  I have however, eliminated the check 
> engine light from coming on by replacing all vacuum lines.  I suspect now 
> the problem is electrical.  If I am able to solve it I'll let the list 
> know.
>    
>   Best regards,
>    
>   David Torrey
>   
> 
> Tom Christiansen <tomchr at gmail.com> wrote:
>   James, Mark,
> 
> Both of you provided good suggestions. I'll investigate further.
> 
> Tom
> 
> On 11/12/06, James Whitehouse wrote:
> > Tom,
> >
> > What generation car do you have? I don't know if yours is electronically
> > controlled or not. I've just cured the cruise control on my Mum's 'fly by
> > wire' Golf Mk.IV by replacing the clutch switch. This is a little 
> electronic
> > push-in switch, that sits high up in front of the clutch pedal, which 
> tells
> > the cruise control when the clutch is depressed. If the switch goes bad, 
> the
> > cruise control 'thinks' the clutch is depressed and will not go into 
> cruise.
> > This can also often cause some hesitation under acceleration, apparently.
> >
> > The other culprit can be the little plastic 'switch end stop' which sits 
> on
> > the pedal itself in front of the switch and presses it in slightly 
> further.
> > If this breaks, the switch won't register as fully 'up' because those
> > switches, when you install them, rachet up initially to calibrate the 
> start
> > limit they operate from. In fact if you need to replace the switch email
> > again and I'll give you step-by-step instructions, as I broke a switch
> > before I worked out what was going on (fortunately they're only £10).
> >
> > A similar fault can be caused by the brake switch. If the brake switch
> > fails, you'll either get no brake lights or brake lights all the time, so
> > that one's easy to diagnose.
> >
> > Just a couple of possibilities.
> >
> > James
> >
> > > -----Original Message-----
> > > From: v6-12v-bounces at audifans.com [mailto:v6-12v-bounces at audifans.com] 
> On
> > > Behalf Of Tom Christiansen
> > > Sent: 12 November 2006 07:08
> > > To: Audi list
> > > Subject: [V6-12v] Cruise control on a 1994 90S
> > >
> > > Folks,
> > >
> > > Does anyone know how the cruise control system works? Mine has stopped
> > > working. When I push the set button nothing happens. And... yes I've
> > > checked the on/off switch is indeed in the on position...
> > >
> > > Tom
> > > _______________________________________________
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