RETURNLESS FUEL SYSTEM OPERATION[AJ (3.0L Duratec)]
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• Fuel in the fuel tank is pumped out through the fuel filter (low-pressure) by the fuel pump, filtered by the fuel filter (high-pressure), and then regulated to a specified pressure by the pressure regulator.
• Pressure adjusted fuel is sent to the fuel injectors.
• After the pressure is adjusted, unused fuel is returned to the fuel pump unit from the pressure regulator.