WHAT LIKE TO FIND EVAP SYSTEM DIAGRAM TO FIX ERROR PO 456?

  • Tiny
  • easy4bigjaybo
  • 2007 Chrysler Aspen
  • 46,000 miles

Checked the and changed gas cap for new one and went underneath the car to see if line were broken and or disconected but found none of the above. Check engine light still come back on when I reset the computer.

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Friday, September 2nd, 2011 AT 3:19 PM

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  • Tiny
  • caradiodoc
  • Expert
  • 25,451 posts

That code is for a small leak. You'll never find that with a visual inspection. About the only thing you can do is inject smoke from a smoke machine into the evap. Line and watch where it comes out.

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Friday, September 2nd, 2011 AT 6:59 PM

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