Date:         Wed, 23 Apr 2003 13:12:09 -0400
Reply-To:     bloss@CITYNET.NET
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Karl Bloss <bloss@CITYNET.NET>
Subject:      Re: black box above coil
Comments: To: hradek@yahoo.com
Content-type: text/plain

Gary,

I think grounding the coil cable is more important since you're not cranking
that many times, but I would pull the one that does the injectors.  I don't see
a problem having the fuel system pressurized but not squirting gas into the
combustion chamber.

-Karl

> Karl,
>     So which one(on an 87) would you pull when doing a
> compression check and why?   thanks gary
> Date:    Tue, 22 Apr 2003 19:55:50 -0400
> From:    "Karl F. Bloss" <bloss@CITYNET.NET>
> Subject: Re: black box above coil
>
> > Date:    Thu, 17 Apr 2003 20:52:22 -0400
> > From:    Sylvie et Germain <reglys@SYMPATICO.CA>
> > Subject: Re: black box above coil
>
> > The Fuel Pump Relay provides battery voltage to the
> fuel
> > pump, injectors and other devices.
>
> My experience with this tells me that on my '87, the
> relay on the
> passenger side is fuel pump, but not injectors.  The
> reason I say
> this is that you can take that relay out, run your
> engine and it'll
> depressurize the fuel system by burning whatever gas
> is pressurized
> in the lines.  The engine should die in a few seconds.
>
> This allows you to depressurize the fuel lines when
> you replace them.
>
> On the Digijet ('83.5-'85 1.9L gas engine), I believe
> that relay
> controls both.  That means to depressurize the fuel
> system, pulling
> that relay won't work.  You need to pull the fuel pump
> ground wire
> and then run the engine the same way as above.
>
> -Karl
>
> Karl & Kristina Bloss - Hurricane, WV
> '85 Westfalia Camper "Fred"
> '93 Eurovan MV "Amelie"
> WV VW Club:  http://WVVW.ORG
> "Bound to cover just a little more ground..."
>
>
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