Date: Sat, 13 Mar 2004 10:27:16 -0500
Reply-To: Dennis Haynes <dhaynes@OPTONLINE.NET>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: Dennis Haynes <dhaynes@OPTONLINE.NET>
Subject: Re: Billy Bones' never ending story
In-Reply-To: <ca831dca383f.ca383fca831d@ou.edu>
Content-type: text/plain; charset=US-ASCII
I think the major order is a leak down test of the engine. A compression
test will not pick up a leaking intake valve. A leaking intake valve
will have multiple effects of combustion gasses into the intake track, a
vacuum leak, and all the symptoms of a stuck EGR valve which the Vanagon
does not have.
Dennis
-----Original Message-----
From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf
Of Warren.K.Lail-1
Sent: Saturday, March 13, 2004 12:04 AM
To: vanagon@GERRY.VANAGON.COM
Subject: Re: Billy Bones' never ending story
Just today, one of the mechanics I talked to
attached a meter to the O2 sensor and said it
was working fine, and that the ECU was doing
all it could to regulate the system. This
is the mechanic (a very good one - an English
chap who really knows vanagons) who told me
the thought the problem was with the fuel
pressure regulator or the fuel pump (both of
which I've changed to no avail).
I'm not familiar with the green 02 wire. I know
that there is a green wire the comes out in the
same bundle as the fuel injectors on the left
side of the engine, but my O2 wires are all
black, I think.
Best,
Warren Lail
88 Westy "Billy Bones"
87 GL "Long John"
p.s. It's now 11 pm in central Oklahoma, and
scotch number two combined with a semi-churchwarden full of IQ-140 is
finally having a calming effect
on ole Warren.
----- Original Message -----
From: Ryan Press <ryan@presslab.us>
Date: Friday, March 12, 2004 10:35 pm
Subject: Re: Billy Bones' never ending story
> Hi Warren,
>
> Been busy lately, haven't read all your messages. Anyway have you
> checkedto see if the O2 sensor is cycling? If it is not what
> voltage does it
> register? If you don't know what I mean then I can tell you how to
> measure the voltage on the O2 sensor.
>
> On my van the O2 wire was broken at the connector that plugs into
> the ECU.
> Was a bear to figure that one out! The biggest clue was that the
> sensorvoltage was not cycling. A $15 meter from Radio Shack is
> all you need.
>
> Also can you set the idle mixture with the green O2 wire
> unplugged? The
> way I set it is to unplug the green wire, start the engine, let it
> idle(it is warmed up at this point), then connect the meter to the
> danglinggreen wire from the O2 sensor. I adjust the AFM screw
> until the O2 reads
> about 0.5 Volts then I turn it out just a bit until the sensor
> reads about
> 0.7 Volts.
>
> Ryan
>
> Warren.K.Lail-1 said:
> > Well, it was not any darker at 9:05pm than it was
> > at 9:00 pm, so I went out and switched the fuel
> > injectors from my perfectly running GL over to
> > Billy Bones. Absolutely no difference.
> >
> > I'm stumped. I believe that there is a short
> > somewhere in the system. Many years ago I had
> > an old Chevy that acted the same way. I
> > eventually found a wire shorting out. And I
> > don't think it is a coincidence that late today
> > when I was getting out of Billy I noticed a
> > small shock in my left hand as I put it on
> > the door jamb to get out.
> >
> > What do you think?
> >
> > Enjoy your evening.
> >
> > Warren Lail
> > 88 Westy "Billy Bones"
> > 87 GL "Long John"
> >
> > p.s. Compression, based upon my Sears Actron
> > compression tester is 125, 130, 130, and 135.
> > Those numbers are with all of the plugs
> > removed and with the throttle full open. These
> > numbers seem a little low to me, but again, it's
> > an inexpensive tester.
>
>
| 
