2020 Mazda CX-30 Base, AWDFACTORY OEM SERVICE PROCEDURE

Fuel Filling Shut Off Concerns: Notes

FUEL FILLING SHUT OFF CONCERNS (SKYACTIV-G) DESCRIPTION AND POSSIBLE CAUSE

Troubleshooting item Fuel filling shut off concerns
Description
  • Fuel does not shut off properly.
Possible cause
  • PCM DTC is stored.
  • Non-return valve malfunction
  • Check valve malfunction (Except U.S.A. and CANADA)
  • Fuel nozzle is not inserted correctly.
  • Fuel nozzle malfunction
  • Fuel shut-off valve malfunction
WARNING:
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.