various hissing/air flow type noises in '88 5kcstq

[Ken Keith]

I was thinking of this also.  I'll have to check this out.  I get 0.9 bar 
with the engine off, and only 1.3 when I really push it.  I've only 
seen 1.4 a long time ago, while driving it back to AZ from CA.

Thanks!

Ken

"Peter Berrevoets" <pjberr at home.com> wrote:
> 
> > >from the ECU area, and sound like there is air flowing, perhaps
> > >relative to engine speed or manifold pressure.
> > >
> 
> Could also be a leak in the manifold pressure line that runs direclty to the
> ECU.
> 
> Are you getting 1.4 BAR indicated boost on your dash gauge? If not this
> might be the problem.
> 
> HTH
> 
> Peter Berrevoets
> 1990 200TQ
> Toronto, Canada
> 
>