fuel tank pressurising

1992 TOYOTA CRESSIDA
230,000 MILES • 3.0L • 6 CYL • 2WD • AUTOMATIC
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NEVILLE MATTHEWS
  • MEMBER
  • 1 POST
fuel tank being pressurised. Pressure released when opening fuel filler cap.
Jul 25, 2021 at 4:36 AM
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ASEMASTER6371
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 52,796 POSTS
Good morning,

This sounds like you have a defective gas cap. There should be a vented cap that releases the pressure build-up in the tank.

I would replace the cap and see if it resolves the issue.

Roy
Jul 25, 2021 at 5:23 AM
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