[Vwdiesel] Re: Wierd starting issue with my 1.9 NA hybrid

[Mary Beth and Chris Geiser]

On my Vanagon, the glow plugs go on, cycle, turn off to start, then
after starting they go back on until the temp sensor warms up (2-3
minutes?).  Then they go off again....



-----Original Message-----
From: vwdiesel-admin at vwfans.com [mailto:vwdiesel-admin at vwfans.com] On
Behalf Of LBaird119 at aol.com
Sent: Friday, February 28, 2003 1:35 AM
To: vwdiesel at vwfans.com
Subject: Re: [Vwdiesel] Re: Wierd starting issue with my 1.9 NA hybrid

In a message dated 2/27/2003 1:40:45 PM Pacific Standard Time,
dieselwesty at yahoo.com writes:

> If I pull the wire to the temp sensor so I always get
>  glow, bang, 1/2 turn start everytime.
>
>  *****
>  1.
>  So, if I run this way with temp sensor wire off, will
>  my glows be on ALL THE TIME?
>
>  *****
  They shouldn't be.  It's more for the light.
>  *****
>  2.
>  When the temp sensor wire is on and it is cold out, I
>  only get about 3-4 seconds of glow light, not long
>  enough for COLD starting.  If I pull the wire to the
>  temp sensor, I get full 10 seconds of glow.  When I
>  run my son to daycare a mile away, shut down and go to
>  restart, temp sensor says the coolant is hot enough
>  and I get NO glow, but I need it here.  I have
>  replaced the glow relay, should I also replace the
>  sensor in the coolant line?
>
>  *****
  The glow plugs actually stay on until you hear the relay click.  This
is a
little longer than the longest the light stays on.  You can simply turn
on
the key, wait and then start, with or without paying attention to the
light.
:)
>  *****
>  3.  Is it possible that my hot start issue is because
>  the motor is not turning FAST enough and that is why
>  timing advance gets the motor started with less
>  rotations?  Battery is class 41, little over a year
>  old.  I am still using the 1.6 starter, it is a
>  rebuild from about 6 years ago.  Maybe time for new
>  starter as well?
>
>  *****
  Possible but with pulling the cold start knob assisting a warm engine,
it sounds like your timing is retarded a bit.  A wild guess would be
almost .010mm.
>
>  When the motor is running, it is stronge and constant
>  on temps and oil pressure.
>
>  I figured I could perplex you all with this on.
>
  Sounds like timing.  If the GP cycle is way short on a slightly warm
engine then it could be a bad sensor as well.
     Loren
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