engine speed and AT

[Kent McLean]

John Cody Forbes wrote:
> Kent McLean wrote:
>> Snoopy wrote:
>>> Hi. Does my car have any kind of engine speed increase/regulation,
>>> when the car is not moving, transmission is in "D", and brakes are
>>> applied?
> 
>> Not that I'm aware of. The engine does have various sensors, to adjust
>> the idle. But "normally" the idle should be steady.
> 
> I would disagree. Every Audi that I know of since the early '80's has an 
> idle air controller valve (IAC/idle solenoid/ or a few other names for 

Of course. I forgot about the ISV - idle stabilizer valve. (That's why
they pay Cody the big bucks.)  There is/was a section on cleaning it
in the Audifans knowledgebase.

<http://www.audifans.com/kb/ISV_cleaning>

-- 
Kent McLean
'99 A4 Avant, V6 Tiptronic
'91 200 TQA #3, with mods
gone: '91 200 TQA x2, '94 100 S Avant, '89 200 TQ