Date:         Tue, 1 Jul 2003 13:38:21 -0400
Reply-To:     David Beierl <dbeierl@ATTGLOBAL.NET>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         David Beierl <dbeierl@ATTGLOBAL.NET>
Subject:      Re: 1991 Vanagon sputters and blows black smoke on highway.
Comments: To: Paul Nicklen <nicklen@PIONEERNET.NET>
In-Reply-To:  <002801c33ff4$a611f270$7a797ed8@PAULNICKLEN>
Content-Type: text/plain; charset="us-ascii"; format=flowed

At 01:17 PM 7/1/2003, Paul Nicklen wrote:
>I have a 1991 Camper Van and she is running very rough on the highway,
>losing power, sputtering, blowing black smoke and running way too rich ((I
>think)).  The van never dies completely.  This problem is intermittent and
>may only happen one day in three and 40% of the time on those days but
>when it does, it can get severe and it has been towed on
>occasion.  Several good mechanics have looked at it and can't find a thing
>wrong with it.  Now we are

Unhook the O2 sensor and leave it unhooked until problem is cured.  If
possible, install voltage monitor on sensor in the meantime -- digital
voltmeter, or Ken Lewis has some nice little bar-graph displays that he
built for the purpose, should do beautifully and he built them to fit into
a spare switch position on the panel...

david

--
David Beierl - Providence RI USA -- http://pws.prserv.net/synergy/Vanagon/
'84 Westy "Dutiful Passage"
'85 GL "Poor Relation"