[Vwdiesel] cold start issues

Patrick Dolan pmdolan at sasktel.net
Wed May 21 08:08:48 PDT 2008

Yes, they can fail and it has nothing to do with power getting to them.  You have to remove the harness and test them for resistance.  You can do an overall (1/4 of spec resist for all 4 in parallel), but best off to do each one.  If they have failed, you will get infinite resistance (open circuit).  Of course, if you are doing this in parallel, that means that if you shoot all 4, 1/3 spec resistance means one is dead, 1/2 = 2 and full resistance = 3 dead.

----- Original Message -----
From: Kneale Brownson <knealeski at sbcglobal.net>
Date: Wednesday, May 21, 2008 8:36 am
Subject: [Vwdiesel] cold start issues

> The 94 Jetta TD doesn't want to start when cold.  I have power to 
> the glow plugs, I get fuel, the battery shows 12.4 volts static.  
> If ambient temperature gets somewhere above about 60 degrees (F), 
> it'll start readily.  Just plain won't catch when colder if it's 
> sat for more than six or eight hours.  
>  Could the glow plugs not function despite power to their wiring? 
> How would I test those?
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