I have not seen a Hall Sender that died 'clean' ...
like ok one day, clearly dead the next day.

In my experience they always get intermittent first.
then it's 'time'.

On 8/3/2016 5:19 PM, Michael A. Radtke wrote:
> Skip,
>
> In my experience, Hall sensor's can be intermittent.
>
> Mike
>
> ------------------------ Original Message ------------------------
> Date: Wed, 3 Aug 2016 19:08:31 -0500
> From: Skip Laubach <skiplaubach@GMAIL.COM>
> To: vanagon@GERRY.VANAGON.COM
> Subject: Re: Bad fuel?
>
>
> The gremlins have left the building.
>
> Vanna started.
>
> The only thing I did tonight was measure voltage at battery at rest and
> at crank, per ORR's thought below. 12.1 and 10.6, respectfully. Then I
> put on the charger briefly, measured 12.7 at rest and it fired right
> up, like nothing happened.
>
> My only other thought is that the Hall Sender connector may have
> jiggled loose, then when I reattached it after testing the coil, it was
> back on tight. I have recently installed Jay's new wiring harness and
> the Hall Sender connector does not have that nice "hook on" like the
> original connector, which without, may lead to the "jiggle loose"
> phenom.
>
> Thanks for all of your suggestions!
>
> Skip
>
> Sent from my iPhone
>
>> On Aug 3, 2016, at 10:10 AM, OlRivrRat <OlRivrRat@comcast.net> wrote:
>>
>>     Have You checked the Batt'Voltage while Cranking ~ I had this happen once on My
>>
>> 83.5 back in '80s & it turned out to be a ShortedCell in the Batt' ~ So the other 5 Cells
>>
>> were putting out plenty of Juice to CrankIt but the Voltage was not High Enough to make
>>
>> the ECU Happy ~
>>
>>                                             ORR ~ DeanB
>>
>>
>>> On 3 Aug , 2016, at 6:52 AM, Skip L wrote:
>>>
>>> Thanks John,
>>>
>>> I tested the coil this morning before leaving for the office.  I gots
>>> spark.  The video is great!  Had to review it about five times to make sure
>>> I understood everything.  I've done this before, but it's been about three
>>> years.   So the coil if fine.
>>>
>>> I'm not convinced, yet, that the issue is the Hall Sender.  As mentioned,
>>> I'll go through the ECU trouble-shooting process in Bentley this evening.
>>>
>>> Skip
>>>
>>>> On Tue, Aug 2, 2016 at 10:18 PM, John Rodgers <jrodgers113@gmail.com> wrote:
>>>>
>>>> Here is a link to a youtube video for a simple test of the coil and the
>>>> Hall Sensor. Very definitive, easy to do where ever you are. Can even use a
>>>> paper clip, but a little peice of copper wire is best.
>>>>
>>>> https://youtu.be/95PkgSavOCo
>>>>
>>>> Used this myself to find a bad coil, and later to find a bad Hall sensor.
>>>>
>>>> Good luck!
>>>>
>>>> John
>>>>
>>>> On Aug 2, 2016 21:46, "Skip Laubach" <skiplaubach@gmail.com> wrote:
>>>>
>>>> Had a few hours this evening to give it a go. Still no start.
>>>> 1.  Spoke with the gas station owner today. Very nice guy. Said they
>>>> filled the 2500 gal tank on July 7 and he filled his weed wackier with this
>>>> gas this Sunday and it ran fine through a full tank. Not bad gas.
>>>> 2.  I isolated the fuel tank by clamping both lines and pulled known good
>>>> gas out of a 1 gal container and back into a separate 1 gal container at
>>>> the fuel return line. No start. Further proof not bad gas, and also
>>>> confirmation that fuel is reaching injectors. Filter and fuel pump
>>>> confirmed good.
>>>> 3.  Hooked up a remote starter and, separately, jumped the ignition
>>>> switch. Cranked, no start on both fronts.
>>>> 4.  To make sure the engine is not flooded (good trick if you have a "hot
>>>> engine/no start") I disconnected the two driver's side fuel injector wire
>>>> connectors and cranked. Still no start.
>>>> 5.  Suspect no spark, got gas, got air.
>>>> 6.  Tomorrow I'll run through Bentley's ECU tests with a voltmeter.
>>>> 7.  Got bad coil running through my brain right now. I have a spare. Maybe
>>>> the Hall Sender. Both are less than 5,000 miles new.
>>>>
>>>> If you're still reading, any ideas?  Oh, Lauren, confirmed not diesel; no
>>>> offense taken, certainly worth mentioning. I have a 2015 Golf Sportwagen
>>>> TDI, so I'm well versed on, among other things, diesel fuel.
>>>>
>>>> Thanks for your ideas.
>>>>
>>>> Skip
>>>> '84 Digijet, now 2.2
>>>>
>>>> Sent from my iPad
>>>>
>>>>> On Jul 31, 2016, at 8:18 PM, Stan Shapiro <mail@STANSHAPIRO.COM> wrote:
>>>>>
>>>>> The old -- crank but wont start-- isnt always that simple. About 3 weeks
>>>> ago I drove 6 miles down a nasty dirt road to the trail head at the end to
>>>> go hiking. Finished the trail. Got back to my Westie-- cranks-- but won't
>>>> start. Eventually it started and ran rough, stalled out,  it did that a few
>>>> more times and eventually it started up good enough to run.  But continued
>>>> to have difficulty starting, almost to the point of not starting. I thought
>>>> for sure that it would have been dirt from the gas tank that had jiggled
>>>> free from the horrendous dirt road, and plugged the filter.   Changed the
>>>> fuel filter in the campground.   Didn't make any difference.  Turned out to
>>>> be a bad coil.
>>>>> -------- Original message --------
>>>>> From: Eric Caron <ecaron1@COMCAST.NET>
>>>>> Date: 7/31/16  17:22  (GMT-08:00)
>>>>> To: vanagon@GERRY.VANAGON.COM
>>>>> Subject: Re: Bad fuel?
>>>>>
>>>>> Hi Skip,
>>>>>
>>>>>        I’m probably the weakest authority but  don’t think it is the
>>>> gas.  I suspect you have a different issue.  It may be a clogged fuel
>>>> filter. Is the fuel pump running?
>>>>>        Again I’m no authority but when this happened to me years ago
>>>> the fuel pump had died.  thats when I learned how to change a fuel pump on
>>>> the side of the road.
>>>>> I hope others give you better advice and please let us know what happens.
>>>>>
>>>>> Eric Caron
>>>>> 85 GL Auto Westfalia
>>>>>
>>>>>
>>>>>> On Jul 31, 2016, at 7:56 PM, Skip Laubach <skiplaubach@GMAIL.COM>
>>>> wrote:
>>>>>> Most likely. I filled up with ethanol-free gas (a rarity in Illinois).
>>>> I drove 1/2 mile and the engine turned off. No start, just cranking over
>>>> and over. Getting AAA towed in about 25 minutes. I suspect bad gas as it
>>>> looked like a pump that does not get used much... and the van died after a
>>>> very short while.
>>>>>> '84 Westy.
>>>>>>
>>>>>> Question. OK to drain the tank, add 5 gals of normal gas, maybe some
>>>> Sea-Foam or MMO?  Any other measures that I should take?
>>>>>> Thanks,
>>>>>>
>>>>>> Skip
>>>>>>
>>>>>> Sent from my iPhone