Electric Fuel Pump Trouble Shooting: Notes
NOTE:
This is a general trouble shooting guide. Not all steps will apply to all fuel pumps. Most electrical fuel pumps are sealed units and must be replaced if defective.
CAUTION:
Be sure to relieve fuel pressure before opening a pressurized fuel injection system. Do not allow smoking, open flame or sparks in area while working on fuel system components. Fuel vapors may be present and danger of fire or explosion exists. Disconnect battery while working on fuel system.