TIGHTEN GAS CAP FLASHES ON DISPLAY REPLACED CAP ...

  • Tiny
  • Anonymous
  • 2004 GMC Yukon
  • 150,000 miles

Tighten gas cap flashes on display replaced cap engine light came on its very hard to fill tank with gas code says gas recurulation flow insufficient HELP dont know what to do my researh leads me to believe it to be a vacum leak or acuator gone bad but know

Friday, November 30th, 2012 AT 5:55 AM

1 Reply

  • Tiny
  • hmac300
  • Expert
  • 43,688 posts

Hve your evap system smoke tested for leaks.

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Friday, November 30th, 2012 AT 3:02 PM

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