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Old 04-05-2012, 01:20 PM   #8
06VT365
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Originally Posted by blacksmoking View Post
hmm, interesting. But once it's started, and if something were to pierce the oil pan, would it shut off, or just not start the next time?
It would eventually, once oil pressure was low enough to not fire the injectors. Weather it would in time to save the engine I dont know.

Basically in a 7.3 or 6.0 fuel system, you have fuel supplied to the Injectors through a fuel rail in the head, you also have high pressure oil supplied to the injectors too. When the computer says an injector should fire high pressure oil is allowed in the top of the injector, once the pressure is high enough it forces open a valve that then allows the fuel to be injected into the cylinder. Thats the basic principal anyways.

So in essence, if the oil pressure is not high enough to open the valve, fuel will not ne fired thus shutting the engine off.

I have a link that explains it much clearer than I can, I will post it up later.
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