TIGHTEN GAS CAP FLASHES ON DISPLAY REPLACED CAP ...

2004 GMC Yukon

Tiny

Anonymous

November, 30, 2012 AT 5:55 AM

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

1 Answer

Tiny

hmac300

November, 30, 2012 AT 3:02 PM

Hve your evap system smoke tested for leaks.

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