Date:         Mon, 5 Mar 2018 07:39:04 -0800
Reply-To:     Rick Cooper <rickdcooper@GMAIL.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Rick Cooper <rickdcooper@GMAIL.COM>
Subject:      Re: Fuel pressure too high
Comments: To: David Beierl <dbeierl@attglobal.net>
In-Reply-To:  <CAMOH8LLBmQen5LJWY0Bprid1eifrMy9UoEfEF-pQ7RE7JCAwvw@mail.gmail.com>
Content-Type: text/plain; charset="UTF-8"

I get it -- thanks for the further explanation David.  I'll have a closer
look when I take it on the road tomorrow.  But first I'm going to pull the
fuel pump and clean it out thoroughly.

I'll let you know the result of that and the readings from a different
pressure gauge.  Should have that later today.

Rick

On Sun, Mar 4, 2018 at 8:13 PM, David Beierl <dbeierl@attglobal.net> wrote:

> not sure what you're gettting at in your first paragraph.
>>
>
> The tach is driven from the negative side of the coil.  So if the engine
> stumbles or stops, quickly look at the tachometer.
>
> If the tach needle drops like a stone instead of following the engine rpm
> down, it means that your ignition primary circuit has failed.   Could be
> ignition switch, 15-circuit wire to coil positive, coil, ignition driver
> module on 1.9l, ECU on 2.1l, idle stab module on 1.9l, Hall effect sender
> in the distributor or the connections to it.
>
> Conversely, if the tach drops at the same rate the engine is slowing, that
> means the ignition primary circuit is at least mostly ok, and you should be
> looking at the high voltage side of the ignition or to the fuel
> delivery/fuel injection system.  This of course is easier to tell with a
> manual transmission, but you can still tell with an automatic.
>
> Yrs,
> d
>



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