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no start 1991 740GL 700

I don't know if there are any rules for re-posting a message, but the one I posted is way down on the list now, and I don't think anyone will see it anymore.

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Tried the proper wiring (two of them were crossed, but it was for the fan, so of course, it still didn't start. Here are the symptoms I've been having:

-At first, intermittant no start, used some starter fluid, started fine.
-Changed the fuel pump, filter, fuel pressure regulator, no help
-Changed the fuel pressure relay, car ran great for a few months
-One night, all of a sudden, died on the freeway while I was driving. damn.

______________________________________________

-tested the spark plugs, and they're all firing.
-pulled out the fuel injector rail, stuck some paper under them and cranked the engine...no gasoline injected.
-ran a bypass wire from the radio noise suppression relay directly to the battery and cranked the engine....gasoline injected everywhere.
-replaced the injector rail, kept the bypass to the battery, cranked the think, still no start.

That's where I currently am. Any suggestions??? Any diagnostics I can try? All I have is a multimeter, nothing fancy.

thanks in advance.
--gbenga






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