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Date:         Mon, 7 Nov 2005 11:06:33 -0800
Reply-To:     Michael Diehr <md03@XOCHI.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Michael Diehr <md03@XOCHI.COM>
Subject:      Re: Help diagnose Cinco
Comments: cc: John Lauterbach <lauterba@BELLSOUTH.NET>
In-Reply-To:  <01ad01c5e3cc$fe85c3e0$6700a8c0@lauterbaf0d5f3>
Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed

Bzzt! Zero points!

Did you look at the picture? ;-)

On Nov 7, 2005, at 10:56 AM, John Lauterbach wrote:

> Mike, I have had the situation where the wires to #1 and #3 plugs > were toast > at the connection to the plugs, but the wires to #2 and #4 were > like new. > This has happened even with Bosch wire sets. Also, take a look at > inside of > distributor cap. Let us know if it is carbon tracked. > > John > ----- Original Message ----- > From: "Michael Diehr" <md03@XOCHI.COM> > To: <vanagon@GERRY.VANAGON.COM> > Sent: Monday, November 07, 2005 1:32 PM > Subject: Re: Help diagnose Cinco > > > >> Aha! The smoking gun has been found. >> >> Step right up folks, it's "test your knowledge" time. >> >> To recap: Old van with 150k miles, was running fine, suddenly lost >> power and wouldn't start again, about 10 miles after a fillup. >> After towing to a gas station started once, then immediately died >> after about 1 second. Sounded normal when it cranked. Wouldn't >> start again. >> >> At first, thought a hall sender problem, replaced distributor and re- >> aligned the distributor gear which was installed improperly by the >> PO. This turned out to be a red herring. >> >> Afterwards, still no spark on the #1 plug (as measured by a timing >> light on the #1 spark plug wire). Spark observed, however, when >> connected to the wire between the coil and the distributor. >> >> So here is today's super stumper question: >> >> Why would there be spark at the coil wire, but not on the #1 spark >> plug? >> >> 20 points if you get it here. >> >> Hint 1: It's NOT one of the obvious answers: The Distributor, coil, >> hall generator, hall sender, and all wiring is new and functional. >> 10 points if you get it now. >> >> Hint 2: Although the #3 spark plug looked a bit black, it was in >> otherwise good condition. I had not as of yet pulled the #1 plug. >> 5 points if you guess it now. >> >> See here for the smoking gun: http://xochi.com/vanagon/Plug1.jpg >> >> So for the next question, what happened to cause this? >> >


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