very small evap leak p0456

2003 HONDA ELEMENT
100,000 MILES
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KEVIN GODWIN
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  • 53 POSTS
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
Apr 3, 2012 at 2:18 PM
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SATURNTECH9
  • ✓ASE Certified Mechanic
  • 30,869 POSTS
  • ASE Certified Mechanic
Did you seal the system by closing the vent valve before starting he nitrogen/smoke test?
Apr 3, 2012 at 3:30 PM
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