2004-2007 Honda Aquatrax ARX1200N3/T3/T3D Factory Service Manual, Page 234Get this manual
FUEL SYSTEM (Programmed Fuel Injection) If the fuel pressure is lower than the specified pressure, inspect the following: fuel line leaking pressure regulator fuel pump (page 8-82) Remove the fuel pressure gauge and attachment, and connect the fuel feed hose to the fuel rail (page 8-80)Connect the vacuum hose to the pressure regulatorInstall the storage box (page 3-8)Install the rear tray (page 3-5)
FUEL FLOW INSPECTION
Connect the ECM test harness to the ECM 26P gray connector (page 8-12)Ground the B15 terminal of the test harness connector with jumper wireB15
Disconnect the fuel return hose from the fuel hose joint on the oil tank