[Vwdiesel] Injectors?

[Andrew .Libby]

You let it idle all night?

I would check to make sure the timing belt has not jumped a tooth at the
pump.

On Sat, Dec 3, 2011 at 12:27 PM, Just Joe <stuff at wormshit.com> wrote:

> I must add, I had let it sit idling overnight (temps just below freezing)
> and this morning went to fill the tank.  So even when it's warm, it doesn't
> idle smoothly... And smokes constant black smoke.  But not nearly as bad as
> it is now... Whitish blueish smoke.  I will try to warm it up again, but
> the
> fact that it doesn't run smoothly anymore when warm couldn't be just glow
> plugs, right?
>
>
> -----Original Message-----
> From: vwdiesel-bounces at vwfans.com [mailto:vwdiesel-bounces at vwfans.com] On
> Behalf Of Roger Brown
> Sent: Saturday, December 03, 2011 1:58 PM
> To: vwdiesel at vwfans.com
> Subject: Re: [Vwdiesel] Injectors?
>
> On 12/3/2011 10:55 AM, Just Joe wrote:
> > Yup, huge constant cloud of smoke now, though it runs so poorly I'm
> afraid
> > to let it run too long.  No air in the supply line (has clear tubing for
> > fuel lines)  Tank is full.  Have to give it at least a half inch of
> throttle
> > just to start it and keep it idling.  I can let go of the throttle, but
> the
> > idle is extremely rough.  Previous owner installed an indicator light
> > directly in the glow plug circuit, so I can see when the plugs actually
> > receive power.
>
> You may have voltage to the glow plug bus, but if one or more plugs are
> burned out, it can
> behave like that.  On my old '81, it turned out I had one bad plug and it
> was a bit hard
> to start in the cold or at higher elevations, but not bad.  Then had a 2nd
> plug go out and
> it was nearly impossible to get running.  Tested each plug and then found
> the problems:
>
> http://www.4crawler.com/Diesel/CheapTricks/GlowPlugs.shtml#GlowPlugTesting
>
> I did not suspect plugs at first because the set in there was recently
> replaced (under a
> year old), but they were an off brand.  Replaced with Bosch plugs and never
> had a problem
> again.
>
> --
>
>   Roger
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