Could be the Hall effect sensor in the distributor.  I
had the same sort of problem a few years ago which was
eventually traced to that.

Good luck,

Graham
90 GL auto country homes camper

--- Mark Dorm <mark_hb@HOTMAIL.COM> wrote:

<HR>
<html><DIV>
<P>My engine is stalling on start up when cold in 35
degrees F weather. I start it, have to keep the gas on
it, give it 30 seconds or more, then drive down the
block, stop at a stop sign, and it stalls and I have
to restart it and keep the gas on it. PITA.
<BR><BR></P></DIV>
<DIV></DIV>
<DIV></DIV>&gt;From: Mark Keller
<KELPHOTO@ISLANDNET.COM>
<DIV></DIV>&gt;Reply-To: Mark Keller
<KELPHOTO@ISLANDNET.COM>
<DIV></DIV>&gt;To: vanagon@GERRY.VANAGON.COM
<DIV></DIV>&gt;Subject: Cold Engine Problem
<DIV></DIV>&gt;Date: Tue, 2 Jan 2001 23:39:45 +0000
<DIV></DIV>&gt;
<DIV></DIV>&gt;Hi Dave,
<DIV></DIV>&gt;
<DIV></DIV>&gt;You said the engine essentially has a
delay in throttle response when
<DIV></DIV>&gt;cold; and the last cold engine
experience was not a delay but rather a
<DIV></DIV>&gt;stalled engine.
<DIV></DIV>&gt;
<DIV></DIV>&gt;I would check the fuel pressure 29 psi
at Idle 36 Psi at low vacuum. On
<DIV></DIV>&gt;a cold engine the computer assumes the
fuel pressure is set and gets no
<DIV></DIV>&gt;feedback if the mixture is too lean or
to rich. If the fuel pressure is
<DIV></DIV>&gt;low then the engine runs lean and would
stay that way until the engine
<DIV></DIV>&gt;warmed up, and then the O2 sensor would
cause the injector pulse to be
<DIV></DIV>&gt;lengthen until the mixture was correct.
<DIV></DIV>&gt;
<DIV></DIV>&gt;
<DIV></DIV>&gt;Sincerely,
<DIV></DIV>&gt;
<DIV></DIV>&gt;Mark Keller
<DIV></DIV>&gt;91 Carat
<DIV></DIV><br clear=all><hr>Get your FREE download of
MSN Explorer at <a
href="http://explorer.msn.com">http://explorer.msn.com</a><br></p></html>

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