Ok, thanks everybody.

I guess the 1.9's run rich on start-up - it only makes sense.

Congrats on the smogging, Eric.

Marshall Ruskin
----- Original Message -----
From: "Eric Spletzer" <eric@SENIORNET.ORG>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Sunday, May 05, 2002 02:29 PM
Subject: Re: Remedy requested for Suspected "rich-running" 1.9

> I just bought my 1.9L '85, and gave it a full tune up with a new O2 sensor
> and all and had it pass CA smog and everything.  And it too runs really
rich
> on start-up.
>
> -eric
> ------
> Eric Spletzer
> San Francisco, CA
> '85 Vanagon GL Westy
>
>
> On 5/5/02 12:22 PM, "jhlauterbach" <jhlauterbach@MSN.COM> wrote:
>
> > Marshall, my 1.9 is fully tuned up, runs better than it ever has, but it
> > runs rich on start up, particularly if van has been in hot sun all day
and
> > outside air temp is above 75 deg. F
> >
> > John Lauterbach
> > Macon, GA
> > '84 7-passenger with 1.9L engine
> >
> > ----- Original Message -----
> > From: "Marshall" <mjruskin@SHAW.CA>
> > To: <vanagon@GERRY.VANAGON.COM>
> > Sent: Sunday, May 05, 2002 3:02 PM
> > Subject: Remedy requested for Suspected "rich-running" 1.9
> >
> >
> >> Hi Volks:
> >>
> >> My neighbour was beside my van when I started it - and he commented on
how
> > incredibly rich the exhaust smelled.
> >>
> >> The drivability, FWIW, is excellent. Starts great and runs great. When
> > it's warm out, I just turn the key and it starts. When it's cold out,
> > requires partial throttle to start.
> >>
> >> On the digitool, it does seem that the O2 sensor is working well - at
> > least, when the van is warmed up.
> >>
> >> I have a new rotor, cap, fuel filter and spark-plug wires.
> >>
> >> Questions:
> >>
> >> 1.    Is the 1.9 always supposed to run very rich at start-up? ( I
think
> > it is, because the O2 isn't warmed up - so I can't see how the "richness
of
> > mixture" could be controlled at start-up)
> >>
> >> 2.    If I replace my tempII sensor, will this reduce richness, and
> > improve mpg? (currently quite poor)
> >>
> >> 3.    Can a vaccuum leak cause richness and poor fuel economy?
(remember I
> > do have excellent drivability)
> >>
> >> Thanks,
> >>
> >> Marshall Ruskin
> >> 84 Westy
> >>
> >>
> >>
> >>
> >> ---
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