[urq] TR: Idle switch adjustment

Todd Phenneger tquattroguy at yahoo.com
Thu Jul 26 20:57:14 EDT 2007


I have a KH in my 4ktq which uses the same switch.  Which currently has a
broken wire coming out of Idle Switch.  But when I replace it I'll be sure
to play with the adjustment.


> From: Louis-Alain Richard <larichard at plguide.com>
> Date: Thu, 26 Jul 2007 09:56:10 -0400
> To: <urq at audifans.com>
> Subject: [urq] TR: Idle switch adjustment
> Since this list is so quiet. a little "tuning" data point:
> For a while my car had a highish idle. The idle switch was out of
> adjustment, and I readjusted it a bit "early" on the closed throttle. After
> that, when driving the car in normal traffic, like following a car at low
> speeds, I find it very eager to engine brake, even with the throttle still
> opened a bit, something I never noticed before. I guess it's because the
> idle switch tells the computer to engage idle circuit too early. Anyway, it
> makes the driving more jerky. I re-adjusted it nearer the end of the
> throttle travel, and now the WX is as smooth as ever.
> This thing is very sensitive to adjustment.
> Louis-Alain
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