Date: Mon, 16 Oct 2000 20:04:27 EDT
Reply-To: kenneth d lewis <kdlewis@JUNO.COM>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: kenneth d lewis <kdlewis@JUNO.COM>
Subject: Re: My Vanagon won't start the second chapter
Alan;
Here is a digifant cause and effect I noticed while trying to
trouble shoot a problem. FWIW the problem disappeared so I have not been
able to verify this.
Symptom: After about five minutes from cold start my truck would die.No
bucking or warning associated, just dead. Let it sit for ten minutes it
would start right up and be fine until next cold start cycle.
What I was trying to accomplish: After much T/Sing I was convinced the
Hall effect sensor was failing. I removed the distributor cap and
grounded the center coil wire (highly recommended for safety). I had a
voltmeter at the output and was watching when the hall unit should be
activated as I turned the crankshafts.
What I noticed: It appeared like every time the aperture rotor passed
through the Hall generator the fuel pump ran for a second and the
injectors fired. Check it out.
The problem never came back after this, it had occurred on the previous
ten consecutive drives. I must have seated a bad connection at the Hall
sensor when I was probing it.
Drive Safely & Good Luck
Ken Lewis <Kernersville,NC>
86 VW crewcab;60 356B Coupe
P.S.
Did you receive the pages I snail-mailled you?
--------------------------------------------------
On Sun, 15 Oct 2000 10:27:15 -0700 Alan S Gondry <alangondry@JUNO.COM>
writes:
>Hello Members,
>
>I first want to thank all who gave me feedback on what may have been
>going on with my van won't start issues. I have taken a lot of your
>advice and again appreciate what has been sent.
>
>To recap I determined that the Therm II switch had the proper
>resistance
>at cold. I have spark, though I am not sure if it is strong enough at
>the plug. My fuel pump does pump when cranked. My injectors however
>do
>not seem to be spraying gas. I am not sure if I have done all the
>test
>to find out if this is fact.
>
>I do not have an ECU to swap and check. I did not get to check the
>battery drop issue. I was curious if this matter if the battery was
>being jumped? I will continue to work on the wiring, etc. Are there
>anymore test to look at.
>
>Please continue to help.
>
>
>Alan Gondry
>'83 h2o vanagon
>Vancouver, WA
>
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