[Fwd: Re: RPM Problem]

[Josh Clark <joshc@mail.garden.net>]

I forwarded this to the list if anyone else has any other ideas:


FranÁois St-Amand wrote:
> 
> > Hey Frank,
> > I'll bet that it's a vacuum problem, specifacally this will happen if the
> > air intake boot is loose around the throttle body or air box or any of the
> > connections to it are missing.  It may also be battery/alternator related
> > since you said if you press the brakes the idle goes down.   Does it go down
> > when any other electrical stuff is on?  Lata
> >
> 
> Hi,
> 
> As a matter of fact, the RPM goes down when alot of things are on
> (heater 4th speed, defrost, brights, radio, wipers. but only 200rpm.
> 
> But now it does it on plain daylight.  With a multimeter, it idicates
> 13.90v while running (without elect. stuff on) with heater and light
> it drops to 12.5. add the defrost, it drops .7v.  I've been told this
> is normal.  It's a 90 amp and the guy told me it was "as good as new"
> when I tested it at a alt. repair shop.  It's even worse when I
> brake.  It won't stall though.just goes into a cycle, of dropping to
> 700 and then kicked by the stabiliser.  The batt indicates 12.40v
> when nothing is on.
> 
> Thanks for your time & help!
> 
> Frank

Hey Frank,
there is a vacuum line that goes to the vacuum booster so that
definately points to a vacuum problem.  I forgot about it last time I
wrote,
Josh Clark
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