I had a badly corroded coil to distributor wire cause this on mine recently.
The spring clip (post style on my '85) was missing as well at the coil.
Worth checking.  I've also had a bad coil do this, it would run when hot but
would not restart until it cooled off.

Stuart

-----Original Message-----
From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of
JRodgers
Sent: Tuesday, March 11, 2014 6:55 AM
To: vanagon@GERRY.VANAGON.COM
Subject: Re: Heat Related Ignition Failure

Yes, Scott. I am familiar. Went through this back through Christmas with
this same machine. Finally figured out it was the hall sender. It was
actually broken. Replaced it with one from an engine that is out of service.
Now this - symptoms that are the same as the old broken sender.
I considered that the hall sender might be failing - but I wasn't where I
could do the hall sender test. Didn't have ANY tools with me when this
happened. Will be prepared next time it faults however. Then I can test.
But in the mean time - what else? Ken suspects the Temp II sensor is getting
funky!

John

On 3/11/2014 1:23 AM, SDF ( Scott Daniel Foss ) wrote:
> this is exactly what a dodgy Hall Sender looks like.
>
> On 3/10/2014 9:31 PM, JRodgers wrote:
>> Argh!
>>
>> Wouldn't you know - after selling off Volksiebus, Ol'Red decides to
>> go on the fritz - again!! Left me stranded in the Grocery Store parking
lot.
>>
>> After coming out of the store, attempted to start and it was no go.
>> Grind, Grind, Grind went the starter. I got out, did a distributor
>> wire check - no spark. Waited a few, tried again. lots of spark. Put
>> it together, tried to start - grind, grind, grind - no start. not
>> even a spit.
>>
>> Engine was hot, and the fuel pump would run, so I decided two wait a
>> bit, then try again. I walked to some local stores and an hour later
>> came back. Vroom, Vrooom! it fired right up,
>>
>> This is a puzzle. Any suggestions as to where I might start looking
>> for a fault?? Seems heat related.
>>
>> Thanks..
>>
>> John
>>
>