Honda 17045-S9V-A00 Module Assembly, Fuel Pump

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To verify fuel in the tank, listen for the fuel pump by turning the ignition switch to ON. If unclear, open the fuel filler neck cap and have someone turn the ignition while you listen at the neck. For 2001 and 2002 Acura and 2003 and 2004 Honda models, use a fuel pressure gauge for high pressure. Disconnect the negative battery terminal, detach the fuel supply line from the firewall, and tee the gauge into this system. After reconnecting the battery, turn the ignition to ON, and check the pressure on the gauge once the engine is at its operating temperature. If pressure doesn't rise upon vacuum line disconnection from the regulator, check vacuum at the hose. For low indicated fuel pressure, inspect fuel lines, and consider replacing the fuel filter, integral to the fuel pump/level sending unit assembly. If the pressure remains low, potential issues include leaking fuel injectors or a faulty fuel pump. Upon completing tests, disconnect the battery terminal, remove the pressure test setup, and reconnect the fuel supply line. For 2003 and later Acura and 2005 and later Honda models, a special adapter is required to measure pressure. Disconnect the negative battery terminal, separate the fuel supply line quick-connect fitting on the firewall, and attach the fuel pressure gauge. Reconnect the battery, turn the ignition to ON, and evaluate the pressure when the engine is warmed up. If the pressure is not within range, inspect fuel lines, replace the fuel filter if necessary, and possibly replace the fuel pressure regulator. After testing, relieve fuel pressure, disconnect the battery terminal, remove the testing rig, and reattach the fuel supply line. Finally, start the engine and inspect for fuel leaks.

Disconnect the negative battery terminal and relieve fuel system pressure. Remove the second-row seat and cut the carpet underneath to access the fuel pump. For 2001-2004 Acura and Honda models, remove the fuel pump access cover and disconnect the fuel pump electrical connector. Disconnect the fuel supply and return lines, covering the ends with plastic bags. Remove the fuel pump locknut and module from the tank, replacing any damaged seals. For 2003 and later Acura and 2005 and later Honda models, remove the rubber seal grommet from the fuel pump access cover and disconnect the electrical connector. Remove the fuel line fitting from the fuel pump and unscrew the locknut. Remove the fuel pump module from the tank. For both, install the seal first when reinstalling the module. Reconnect the battery, start the engine and check for leaks before replacing the carpet and seat.

Release fuel pressure and disconnect the battery. Remove the fuel pump/fuel level sending unit from the tank. For 2001-2004 Acura and Honda models: Disconnect hoses, electrical connectors, and separate the bracket and case. Remove the pump retainer, rubber isolator, fuel pump, and fuel inlet "sock". Remove the fuel level sending unit. Clean the fuel strainer in solvent or replace if necessary. Check the condition of the O-rings and replace if needed. Ensure the spacer is in place. Reassemble and check for leaks. For 2003 and later Acura and 2005 and later Honda models: Disconnect the electrical connector and remove the case. Disconnect the fuel supply line fitting and remove the O-ring. Disconnect the electrical connectors and remove the fuel pressure regulator housing. Remove the fuel pressure regulator and O-rings. Inspect the spacer and mesh filter screen, replace if damaged. Remove the fuel pump and O-ring. Remove the suction filter. Clean the fuel strainer in solvent or replace if necessary. Reassemble with new O-rings and retainer clip. Check for leaks after reassembly.