what like to find evap system diagram to fix error po 456?

2007 CHRYSLER ASPEN
46,000 MILES
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EASY4BIGJAYBO
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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.
Sep 2, 2011 at 3:19 PM
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CARADIODOC
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  • ASE Certified Mechanic
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.
Sep 2, 2011 at 6:59 PM
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