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O.K., what did I do to this one?
In message <email@example.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.
Committee Member, UK Audi [ur-]quattro Owners Club