Quote:
Originally Posted by Former_Boosted_IS
So how will monitoring FP only give you an idea of when you run out of fuel?
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When you request enough fuel you get a point where the fuel pump can't keep up with the request. So if it can't keep up and the injectors are spraying wide open, you drop pressure. If you see pressure drops, chances are you maxed out the fuel pump. In some di cars (not sure about this one) this results in a false rich condition as fuel is simply spraying past combustion.