Hello,
I know this is an old post but...
I would first check and clean your crankshaft position sensor. I have
even bought dry ice and taped it onto the fuel injection ECU once; it
got me out of a bad situation!
The sad truth is that if you are not technically inclined and
motivated you can really get beat up by a V-12. Without a factory or
high end shop manual you wont have the specifications and procedures
to test for diagnosis.
Try this: Take a analog volt meter with you next time (about $8) you
go out for a drive, and when it dies hook that meter up to your coil
leads. If you don't see the needle bouncing when your try to start
your engine then go to the next step. Unplug a fuel injector connector
connect your volt meter and watch for needle bounce when trying to
start your car. If yes then you have an ignition issue however your
crank position sensor is working so you could rule that out.
If it did not bounce then you might have a bad crank position sensor
or bad ECU.
If you have ignition and fuel bouncing your needle, then look at fuel
relay, pump, and ECU pump signal.
F.W.I.W.
Blake


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