bizarre stalling behaviour 87 4kcsq

[SuffolkD at aol.com]

My guess is the ISV or air leak, RE: ISV, I'd pull a vacuum on the end 
fittings to see if the valve seals properly, clear carb cleaner or not, then do the 
9V battery test with a 9V top connector from Radio shack (or 12V test leads) 
to opperate the solenoid.   -Scott by BOSTON

>     Two suggestions from here:
> 1.  Make sure your airmeter is free to move and that the plate is centered.
> 2.  When I clean my ISV I like to lube it a bit afterwards; silicone spray 
> or the like.  Possible it's _too_ clean?  Make sure the contacts are good 
> too- clean them and use some silicone grease to seal it up on reassembly.
> Luck, Robert

> >From: Brendan Walsh <>
> >Hey all, my new q is not so pristine as i thought. It's exhibiting a
> >bizarre stalling behaviour. Only happens when the car is hot, been
> >running for 1/2hr or more and returning to idle from cruising. SNIP  I also 
> soaked the ISV until the carb cleaner
> >came out clear and still no luck. If I blip the throttle as it comes
> >down it will keep idling, but it will pulse by about 200-300 rpms and
> >