Re: idle and running problems when hot?

[Dan Bubb <jdbubb@ix.netcom.com>]

I'm pretty sure the tube Chris is refering to is the exhaust CO test
tube. It's not connected to anything (unless you're testing exhaust CO)
and wouldn't cause this problem.
I'd start by checking for vacuum leaks.
Dan

T Berk wrote:
> 
> chris wrote:
> >
> > I have a 78 rocco with a 1.5 and whenever i run it for awhile and it
> > starts getting warm the idle goes up to about 1100 rpm from 700,(when
> > its cold it runs fine) and stays at 1100, and when you give it gas the
> > idle goes up and comes down VERY slow until 1100 then sits there again.
> > Then when you turn the car off and try to start it while it is warm it
> > doesnt start easy it takes me having the gas pedal floored and it
> > turning over about 10 times or more..
> > I have tryed the auxilary air regulator and that didnt change the
> > problem at all, there is a metal tube coming from something on the head
> > going down to the exhaust manifold(on the back of the head right next to
> > the auxilary air regulator) that has a little hole in it causing an
> > exhaust leak, could that have anything to do with this problem?
> > TIA
> > Chris
> > ---------
> 
> Yep, that could cause you trouble, it is a tube that should be connected
> to an ERG valve. Part of smog control.
> 
> TBerk
> 
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