Check fuel inlet cap

Check whether the fuel filler cap is different.
Open the fuel filler cap and check the contact surface between the filler neck and filler cap.
- Fuel port: Check the condition of the cap seal and the closing surface.
- Oil filler cap: Check the seal for damage.
  Good
  - Fault is intermittent caused by poor contact in the sensor's and/or ECM's connector or was repaired and ECM memory was not cleared. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and Go to "VERIFICATION OF REPAIR " procedure.
  No Good
  - Repair as necessary and Go to "VERIFICATION OF REPAIR " procedure.