Ford 2L1Z-9H307-BF Sender And Pump Assembly

You can Select Your Vehicle to check if 2L1Z-9H307-BF fits your vehicle.

To perform a fuel pressure test, you will need a fuel pressure gauge and adapter set. The fuel pump will operate as long as the engine is cranking or running and the PCM is receiving ignition reference pulses. After relieving the fuel pressure, it's a good idea to lay a shop towel over any fuel connection to be disassembled. To inspect the fuel system, remove the fuel filler cap and listen for a whirring sound when the ignition key is turned to the On position. If there is no sound, check the fuel pump fuse and test for battery voltage to the fuel pump relay and PCM relay connectors. If there is no voltage, check the fuse(s) and wiring circuit. If voltage is present, check for battery voltage at the fuel pump harness connector. To check the operating pressure, relieve the fuel system pressure and connect a fuel pressure gauge to the fuel pressure test port. Start the engine and check the fuel pressure at idle. If the pressure is low, pinch the fuel return line shut to test the fuel pump or pressure regulator. If the pressure is too high, disconnect the fuel return line and check for blockage. Use a hand-held vacuum pump to test the fuel pressure regulator. For returnless fuel systems, disconnect the quick-connect fitting and tee into the fuel pressure gauge between the fuel delivery hose and fuel rail. Start the engine and let it idle to check the pressure. If the pressure is higher or lower than specified, inspect the fuel delivery lines, hoses, and connections for obstructions or leaks. Replace the fuel filter and recheck the pressure. If everything else is okay, inspect the fuel pump inlet strainer and replace the fuel pump if necessary. After testing, relieve the fuel pressure and reconnect the fuel delivery line.

A special fuel pump line removal tool may be required.