[urq] Bad ISV Causes Racing Idle?

[Ingo Rautenberg]

Todd,

I'm forwarding this to someone who will definitely know.  You should  
have a response tonight.

Ingo

On Aug 11, 2008, at 3:16 PM, Todd Phenneger wrote:

> Yea, I already pulled it and cleaned it with Carb Cleaner to no Avail.
>
> But my questions still exists.  CAN JUST the ISV failure cause a  
> car to Idle that high.  3,500 - 4,000 RPM.  I mean, crimping the  
> line to the ISV causes the idle to die so I'm thinking yes, Its  
> just normally when I hear of ISV failures its cars dying or not  
> idleing well.  But in this case, it just Idles at 4k RPM.  I didnt  
> realize the ISV could pass that much air through.
>
>
> --- On Sun, 8/10/08, SpotatAshleys <spotatashleys at hotmail.com> wrote:
>
>> From: SpotatAshleys <spotatashleys at hotmail.com>
>> Subject: Re: [urq] Bad ISV Causes Racing Idle?
>> To: "Todd Phenneger" <tquattroguy at yahoo.com>, "urq list"  
>> <urq at audifans.com>
>> Date: Sunday, August 10, 2008, 2:01 PM
>> Todd
>> They can get gunked up with sticky oil vapour residue and
>> ceased to function
>> but check the integrity of the wiring to and from it first.
>> regards
>>
>> Keith
>>
>>
>>
>> ----- Original Message -----
>> From: "Todd Phenneger"
>> <tquattroguy at yahoo.com>
>> To: "urq list" <urq at audifans.com>
>> Sent: Sunday, August 10, 2008 5:10 AM
>> Subject: [urq] Bad ISV Causes Racing Idle?
>>
>>
>>> Hi,
>>> The MC-1 I have in my 4ktq started idling at about
>> 3,500 suddenly.  I have
>>> tracked it down to what I think may be a bad ISV.
>> When I unplug the ISV,
>>> nothing happens.  But if I pinch shut the hose that
>> goes to the ISV, then
>>> the idle drops and if I don't release it then the
>> engine will die.
>>>
>>> If the ISV was stuck in the open position, would that
>> cause this?
>>>
>>> I'm sure everyone is out in Colorado having fun,
>> wish I was there.
>>>
>>> Todd
>>>
>>>
>>>
>>>
>>> _______________________________________________
>>> Audifans urq mailing list
>>> Send posts to: mailto:urq at audifans.com
>>> Manage your list connection:
>> http://www.audifans.com/mailman/listinfo/urq
>>>
>>> North American Celebration of the 25th Anniversary for
>> the urquattro:
>> http://www.urq25.com/
>>>
>>> Pictures/Polls/Database at:
>> http://autos.groups.yahoo.com/group/urquattro/
>>>
>>> You can help keep the audifans site running by
>> shopping at
>> http://audifans.com/shop/
>>>
> _______________________________________________
> Audifans urq mailing list
> Send posts to: mailto:urq at audifans.com
> Manage your list connection: http://www.audifans.com/mailman/ 
> listinfo/urq
>
> North American Celebration of the 25th Anniversary for the  
> urquattro: http://www.urq25.com/
>
> Pictures/Polls/Database at: http://autos.groups.yahoo.com/group/ 
> urquattro/
>
> You can help keep the audifans site running by shopping at http:// 
> audifans.com/shop/