Fuel Tank One Way Valve: Testing and Inspection

NONRETURN VALVE INSPECTION [13B-MSP]

1. Remove the fuel pump. Removal and Replacement
NOTE:
- The nonreturn valve cannot be removed as it is built into the fuel tank.
- The nonreturn valve is normally closed due to spring force.

2. Verify that the nonreturn valve opens/closes through the fuel pump installation hole.

- If it does not open/close or return to the normal position, replace the fuel tank. Service and Repair