Quote:
Originally Posted by ROB-80E
Ok, everyone here so far has mentioned fuel flow and pressure in the rail so that the injectors aren't starved of fuel when on demand...so wouldn't it make more sence to replace the pump first? After all, it's the pump that has to ensure that it can supply enough fuel flow to MAINTAIN the pressure being set by the regulator.
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No...
Regardless of how much pressure the pump provides the pressure regulator will govern the pressure available in the fuel rail.
A pump may be able to back fill some volume but it's a half assed approach at best.