If the CAT is hollow the O2 sensor does'nt heat
up enough.

I passed emissions today-only after I put a good
CAT in.

I also replaced three leaking injectors. They
were leaking slowly after the engine was off.

Catalytic converters get hot- Oxygen sensors work
best when hot.

other tips:

Change the oil-somehow this lowers the HC.

Have the idle up around 850-950.

Drive about 100 miles with premium gas and the
timing retarded slightly. I put Seafoam in the
gas and oil.

check to make sure valves are at 0 lash.

plug wires all good, cap, rotor.

idle /full throttle switch properly adjusted.
Coolant temp sensor tested

I also put a bottle of some stuff that claims
"guaranteed to pass emissions."

It's the second time using it helped me pass in
two different cars.

it cost $8.00 a bottle- it should.

So doing this and more took me from 431 ppm HC at
idle to a passing 131. Cruise was 99.

Robert

1986 Westfalia

--- Christopher Gronski <gronski@GMAIL.COM>
wrote:

> 48 hours the test. I dont necesariy have to
> pass but  get complicated
> if I don't. My cat is in place with the o2
> sensor, but apparently is
> hollow. My exhaust is a new (three week old)
> S&S header system.
>
> Chris
>
> On 8/18/05, Dennis Haynes
> <dhaynes@optonline.net> wrote:
> > Is that 48 hours to take a test or do you
> have to pass it? If you are
> > getting a dyno test, most likely you will
> need the cat for the NOx. Part
> > of the test.
> >
> > Dennis
> >
> > -----Original Message-----
> > From: Vanagon Mailing List
> [mailto:vanagon@gerry.vanagon.com] On Behalf
> > Of Christopher Gronski
> > Sent: Thursday, August 18, 2005 2:51 PM
> > To: vanagon@GERRY.VANAGON.COM
> > Subject: Best chance of passing emmissions?
> >
> > Hi All,
> >
> > Any tips on what to do to have the best
> chance of passing emmissions?
> > I just found out my cat is basically empty
> and I don"t have time to
> > get a new one (I got pulled over for my
> sticker and I only have 48
> > hours to do an emissions test or a face a
> $110- ticket.
> >
> > What are the tips? Drive on the highway for
> an hour so the system is
> > really hot, etc?
> >
> > Chris
> >
> >
> >
>

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