[V8] Idle question

[Tim Hollister]

idle control valve, aka isv...

I can put the other switch on it, but the one thats on there now is yours (I havent swapped it
back yet)


--- Ingo Rautenberg <i.rautenberg at waratap.com> wrote:

> Tim,
> 
> Definitely NOT an idle-stabilizer issue IMO.  As a test, just unplug  
> the idle stabilizer and try driving the car.  I bet  it'll stall real  
> quick.  I'm thinking (maybe wrongly so) that maybe the idle switch/ 
> contact is not being hit with the car at idle?  Did you check  
> continuity?  I would have though air leak, but then it would be the  
> reverse -- faster idle than normal.
> 
> Valve issue? Which valve?  You're not thinking any of those 32  
> valves, are you?
> 
> Ingo
> 
> 
> On May 31, 2006, at 7:54 PM, Tim Hollister wrote:
> 
> > since I have had this car the idle has always been a tad low but  
> > smooth. low being the second mark
> > on the tach ~ 550 rpm. Now it is idling just barely above the first  
> > mark by aboy a needles width.
> > still idles stable, no surging, idles smooth but you can tell it is  
> > a touch low. In heavy traffic
> > with ac on (eg car hot 110 deg and idling with ac on) oil pressure  
> > drops very low and batt light
> > (low voltage warning) comes on till you drop it in neutral and rev  
> > it a touch. idle will return to
> > same point but oil and bat are fine till next stop. Does this sound  
> > like a stabilization control
> > or valve issue? Low idle is constant at operating temp with no  
> > issues beyond that till it gets
> > hot. cold idle is around 1000 rpm.
> >
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