O.K., what did I do to this one?

[quk@isham-research.demon.co.uk (Phil Payne)]

In message <ba946144.34ca804b@aol.com> MHLIGGINS writes:

>      The backup '87 5K CS TQ has joined the primary one in semi-retirement.  I
> was driving on one of the roads at the plant and it stopped running.  Died.
> Right there.  Engine will turn with the started, there is compression this
> time.  When I turn the ignition on, the fuel pump did not cause the warm up
> regulator to click, so I suspected a bad fuel pump.  Changed the pump, still
> no fuel.  Also no spark, which I think is normal if there is no fuel.
>      What sensors have the power to shut off the fuel pump?  I have checked
> pins 1 & 4 at the fuel pump and there is voltage there.  With a weak battery
> it was 9v, have the battery on a charger now.
>      Any suggestions on which sensor(s) to look at?  Any other items that may
> have an impact?  Any loose wires that could do this?

Check the chassis returns to the inlet manifold (electrically, not just by 
physical inspection) and then run the diagnostic sequence.

-- 
 Phil Payne
 Committee Member, UK Audi [ur-]quattro Owners Club