[s-cars] Cold Engine Stop-Light Stalling

[Michael Wakefield]

I had the same symptoms on my 93s4, so I squirted some WD40 into the
ISV, and it's OK now. I had the problem once on my Delorean, and the
ISV is similar, but was in really bad shape. I squirted in WD40, then
cycled the valve with 12V many times until it smoothed out. It fixed it.
Mike Wakefield

On Friday, October 24, 2003, at 08:57 AM, Cody Payne wrote:

> S-Car Gods,
> 	Gents...ok..the gremlins continue to haunt me on this stalling issue
> when the engine is cold. I have changed my O2 Sensor, Spark Plugs
> (Bosch FDPOR), cleaned ISV and confirmed works w/ OutPut Tests.  But
> my car stalled again this AM coming to my 1st stoplight on the way to
> work about 1 min from home.  It nearly stalled again at the 2nd
> stoplight which is another 1.5 min or so from the 1st but I was able
> to heal and toe her to keep it running.  But once the car got warmed
> up on the highway it seemed to be ok.  Still seems I have a bit of
> sporadic idle when cold too...sort of bounces around 1.2K then settles
> down to 750-800.  Other then the stalling problem car is running very
> strong.  The only other thing I changed and have not changed back is
> my Stiffer WG spring?
>
> Vacuum leak? ISV bad? Fuel Pump? (It is only 1 year old) Fuel Filter?
> (Only 5K Old)
>
> Thx
>
> cp
>
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