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Fuel Pressure Systems

What pressure does the common fuel tank mounted fuel pump maintain in a modern vehicle’s fuel system? What would be the flow rate of this? In the event of an accident, are there safeguards to stop the fuel pump from operating?

I think most or all cars have some kind of switch that triggers in a crash to cut off the fuel. Check your owner’s manual to see if they talk about how to reset it if it triggers when it shouldn’t.