VERY SMALL EVAP LEAK P0456

  • Tiny
  • Kevin Godwin
  • 2003 Honda Element
  • 100,000 miles

P0456 very small evap leak keeps returning every time I do a evap service bay test. Hooked smoke machine up and it has.18" of flow with key on engine off

Tuesday, April 3rd, 2012 AT 2:18 PM

1 Answer

  • Tiny
  • saturntech9
  • Expert
  • 28,774 posts

Did you seal the system by closing the vent valve before starting he nitrogen/smoke test?

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Tuesday, April 3rd, 2012 AT 3:30 PM

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