[Vwdiesel] Analyzing compression numbers - oil in injector hole?
rgreeley2 at hotmail.com
Fri Nov 16 16:36:59 PST 2007
Mine does not give me 7 seconds of glow, so how do i over ride the coolant sensor, disconnect the lead. it starts with min turns when cold and immediatly after shut off though in that inbetween range it can take several cranks to get going again.
Oh, it is a 1.9 idi engine though in a 91 jetta.
ray> From: mark at shepher.fsnet.co.uk> To: Vwdiesel at vwfans.com; william at taygan.com> Date: Sat, 17 Nov 2007 00:05:43 +0000> Subject: Re: [Vwdiesel] Analyzing compression numbers - oil in injector hole?> > A common issue. Unless engine has realy good compression/spins fast on > starter; the water temp sensor turns overrides glow plugs prematurely . A > manual override cures this and proves that nothing fundamental wrong with > engine :o)> > Mark> > > > > > > > > > > > > > > > > > > ----- Original Message ----- > From: "Will Taygan" <william at taygan.com>> To: <vwdiesel at vwfans.com>> Sent: Friday, November 16, 2007 11:47 PM> Subject: [Vwdiesel] Analyzing compression numbers - oil in injector hole?> > > >I compression tested the 91 ecodiesel a month ago and got> > 450-480-450-400. (the 94 TD was 450-500 on all 4!)> >> > It starts well when cold, starts well when hot, but there's a zone when> > it's just warm and the glow plugs don't come on that it cranks for a few> > seconds before it catches. Engine? Pump? Glow Sensor? The afterglow is> > 7 seconds, so I just double-glow the 7 second period (no light, just> > current) and things usually improve.> >> > I found a good teaspoon of oil in the #4 injector hole (lowest> > compression cylinder) when I pulled it. I've never seen that before.> >> > There is some trace oil in the coolant overflow. Looks like it had a> > blown headgasket that someone repaired and now there's just a film on> > the plastic. Maybe a few pencil-dot sized specks of oil floating in> > there.> >> > I'm not too worried about it, just curious. Ideas? Theories?> >> > Will.> >> > _______________________________________________> > Vwdiesel mailing list> > Vwdiesel at vwfans.com> > http://www.audifans.com/mailman/listinfo/vwdiesel> >> >> >> > -- > > No virus found in this incoming message.> > Checked by AVG Free Edition.> > Version: 7.5.503 / Virus Database: 269.15.34/1134 - Release Date: > > 16/11/2007 09:52> >> > > > > > -- > No virus found in this outgoing message.> Checked by AVG Free Edition. > Version: 7.5.503 / Virus Database: 269.15.34/1134 - Release Date: 16/11/2007 09:52> > > _______________________________________________> Vwdiesel mailing list> Vwdiesel at vwfans.com> http://www.audifans.com/mailman/listinfo/vwdiesel
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