Once again, check the ignition switch! This is a known weakness of VW cars of all
types and can cause all types of electrical mysteries.

PerL
88 Syncro

David Raistrick wrote:

> Hrmph.
>
> First off, the fuel pump runs ONLY while it is starting.  The second you
> let go of the key, it stops.
>
> More then once it fired, and attempted to run for half a second.  Even
> then, though, the pump stoped when the key was released, then the engine
> died.
>
> Performed a modified version of the fuelpump checks in the AC Bentley.
>
> Bridged the 36 and 39 terminals on the air sensor harness, and turned the
> key on.  Pump should run.  It did not.  Hit the "start" position, and it
> runs.
>
> Checked the resistance on the temp sender.  2.9k ohms, if I recall. (it
> was in spec, though)
>
> Performed the injector "Voltage supply at injectors, checking" test.
> Nothing.  None of the 4 injector wires light my test light. (test light
> works, and confirmed that it still did)  Bentley refers me to "AFC
> Troubleshooting guide (page 7) no. US 42-00-5955-1."
>
> Any ideas on what causes THIS, since I dont have the specified book?
>
> Also did "Thermo-time switch, checking".  Works fine.
>
> Out of sorta desparation, I tried hotwiring the fuel pump. Pump running,
> bus would still start for just ~1 second, then die.  almost like it
> runs off the cold-start injection...*sigh*
>
> Looking for more ideas.
>
> thanks...david
>
> --
> David Raistrick  '69 Westy-Ichigo                       keen@finally.atlasta.net
>                  '82 Westy-Maxine (Mom's)
>                  '66 SO-44 Westy (It runs! I drove it!) in Augusta Ga