[Vwdiesel] cold start issues

Thu May 22 22:14:08 PDT 2008

In a message dated 5/21/2008 7:37:29 AM Pacific Daylight Time, 
knealeski at sbcglobal.net writes:

> 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?
> 
  If you have power AT the glow plugs then power to them 
wouldn't be the problem.  Remove and check or use a test 
light (clip to hot terminal then touch the ends) to see if 
they're working.  If not the bad glow plugs.  If they work 
(test light comes on) then I'd look for an air leak into the 
fuel system.  Good compression and you're looking at no 
glow, no fuel, no air or slow cranking speed.
     Loren

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