Fuel Pump: Testing and Inspection

CAUTION: When fuel filler cap is removed in any procedure, work must be done with no smoking, in a well-ventilated area and away from any open flames.

Check For Fuel Pump Sound:

- Remove filler cap and turn ON ignition switch. Then fuel pump operating sound should be heard from fuel filler for about 3 seconds and stop. Be sure to reinstall fuel filler cap after checking.

If above check result is not satisfactory, refer to Powertrain Management/Computers and Control Systems/Testing and Inspection/Procedures.

Checking For Fuel Pressure In Return Line:

- Fuel pressure should be felt at fuel return hose for 3 seconds after ignition switch ON.

If fuel pressure is not felt, refer to Powertrain Management/Computers and Control Systems/Testing and Inspection/Procedures.