Date:         Tue, 5 Sep 2006 15:48:00 -0500
Reply-To:     Neal Barrentine <vwneal@BLUEMARBLE.NET>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Neal Barrentine <vwneal@BLUEMARBLE.NET>
Subject:      Re: '86 GL - fuel or ignition?
In-Reply-To:  <20060905160145.49ACE6764E7@mail.bluemarble.net>
Content-Type: text/plain; charset=US-ASCII; format=flowed

Well, I performed all of the test procedures in the Bentley chapter 24
and 24.61 and 24.62, and everything checks out okay. Time to find a
Vanagon mechanic and tow truck. I hate not being able to fix this!
Neal Barrentine
Bloomington, Indiana
1986 GL
1960 Baja Bug
On Sep 5, 2006, at 10:52 AM, Automatic digest processor wrote:

> Date:    Tue, 5 Sep 2006 06:34:30 -0500
> From:    Neal Barrentine <vwneal@BLUEMARBLE.NET>
> Subject: Re: vanagon Digest - 4 Sep 2006 - Special issue (#2006-737)
>
> Thanks Matt, I'll check it first chance I get.
> Neal Barrentine
> Bloomington, Indiana
> 1986 GL
> 1960 Baja Bug
> On Sep 4, 2006, at 8:12 PM, Automatic digest processor wrote:
>
>> Subject: Re: '86GL - fuel or ignition?
>>
>> Hey Neal,
>>
>> Do you have access to a Bentley manual?  I had a similar symptom set
>> when I
>> first got my 88 GL, and it just about drove me nuts. Ken Wilford of
>> vanagain.com gave me a tip about the wiring between the O2 sensor and
>> the
>> ECU: the signal voltage from the sensor is carried by a coaxial cable
>> (like
>> a RCA cable for you stereo or TV at home). Voltage on the inside, then
>> insulator, then a copper shield, then outer sleeve. If the the cable
>> deteriorates to the point that there's any continuity between the
>> inner
>> conductor and the outer shield, the ECU will lose it's mind, more or
>> less.
>>
>> Page 24.62 of the Bentley manual has the details, but you'll be
>> checking
>> with an ohmmeter between pins 2 and 13 of the big connector at the
>> ECU. With
>> the O2 sensor connected, there should be no continuity between them.
>>
>> On the same page, there's a test for the throttle switch, too. Could
>> be
>> worth checking.
>>
>> Good luck,
>>
>> Matt Sutton
>> Brooklyn NY
>> 88 GL