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Re: Dirty ISV
>To: Robert Turlington <email@example.com>
>From: "Doyt W. Echelberger" <Doyt@nwonline.net>
>Subject: Re: Dirty ISV
>I'd pull the throttle switch, pop off the plastic cover, and re-solder the
4 internal connections. On 20 original switches examined by Scott Mockry,
they ALL had micro-fractures in the connections inside. Audi later
re-designed the switch, and newer ones don't develop the fractures so
easily. Hope I quoted him correctly, or close enough.
>I had the same variable idle you are experiencing, and I re-soldered the
switch and it now idles totally differently, and correctly.
>Go to <http://www.sjmautotechnik.com> and read the details. He even tells
you how to re-assemble the switch and re-set it's position.
>At 10:06 AM 11/17/1999 -1000, you wrote:
>>I was reading a 44 FAQ and it said that unstable idle is usually caused by
>>a dirty ISV. My idle typically runs about 1750, but once in awhile it goes
>>down to where its sposed to be, around 750. Is this the ISV? If so, how
>>do you take it off to clean it? Is this procedure documented in the