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Date:         Sat, 20 Oct 2007 20:09:35 -0700
Reply-To:     Jake de Villiers <crescentbeachguitar@GMAIL.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Jake de Villiers <crescentbeachguitar@GMAIL.COM>
Subject:      Re: 90GL cold start trouble Part II/UPDATE
Comments: To: maxjoyce@ipa.net
In-Reply-To:  <26544053.1192914642641.JavaMail.root@mswamui-billy.atl.sa.earthlink.net>
Content-Type: text/plain; charset=ISO-8859-1

Have you ever replaced the ignition switch? Its a common thread around here when it comes to weird 'No-start' problems.

On 10/20/07, maxjoyce@ipa.net <maxjoyce@ipa.net> wrote: > > Folks: Done some research through the Haltech website and some serious > head scratching and here's what I've ascertained. > > 1. The van starts hardest after an overnight rest, nigh on impossible > this past week. > 2. Rainy weather seems to make it harder to start. > 3. Roll starting it in the morning, it fires right up. > > Initially, I thought like several of you that the engine wasn't getting > gas from whatever cold start program Haltech has in there. Once the engine > starts, that's not the case; it runs fine. Only sitting in the work parking > lot all day seems to be about the length of time necessary for it to not > start again. 2-3 hours breaks between startings aren't affected. Could > there be enough residual gas vapor in the intake maifold/comustion chamber > in those shorter stops to eliminate the "need" for the cold start program > resulting in a fairly easy start? Iguess the ambient air temperature sensor > in the air cleaner could also be at fault. > \ > I'm thinking that maybe(and confirmed by the Haltech troublshooting guide) > that there might be some sort of signal cutting out to the Haltech ECU when > the starter is engaged. I doubt seriously that that X relay in the fuse > block could be the cause, but something is making it nearly impossible for > it to start after 7-10 hours of sitting while the starter is engaged. The > only flaw in that thinking is that last winter when it would only balk at > starting when it got below 10 degrees F, it is now exhibiting those same > symptoms at 50 and 60 degrees F. If the Hall sender were going bad, it > wouldn't run well period, not just at start up. My cat housing has nothing > in it except the O2 sensor. Anyone that curious about Haltech can go to > their website( www.haltech.com ) and click on support or downloads and > see what's shakin' > > What sort of wiring or electrical issues do I need to look out for here if > that is indeed the problem? > > Thanks > > DM&FS >

-- Jake 1984 Vanagon GL 1986 Westy Weekender "Dixie" www.crescentbeachguitar.com http://subyjake.googlepages.com/


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