Fuel Pump Operation Check
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2002 Mitsubishi Montero Sport, 2002 Mitsubishi Montero, 2002 Mitsubishi Mirage, 2002 Mitsubishi Lancer, and 2002 Mitsubishi Galant. However, it is still accessible from the selected car via links, so may be relevant.
Remove fuel cap. Using scan tool, drive fuel pump. Listen at fuel filler neck opening for fuel pump operation sound. Check for fuel pressure by pinching fuel hose with fingers. If fuel pump does not operate, check fuel pump relay. See FUEL PUMP RELAY . If relay is okay, check fuel pump circuit. See appropriate wiring diagram under ENGINE PERFORMANCE in WIRING DIAGRAMS.