99 Windstar code p0455

This is a gross leak in the evaporative system. Does anyone know how to trouble shoot this problem and tell me the fix?

Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
<%-name%>
Add image file
Upload
Jerry wrote:

Tighten the gas cap?
That would be the first step... then check all vacuum lines and vent lines associated with the gas tank, Evap cannister. Are ther any gas leaks when the tank is filled to the top?
Rob
Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
<%-name%>
Add image file
Upload

Motorsforum.com is a website by car enthusiasts for car enthusiasts. It is not affiliated with any of the car or spare part manufacturers or car dealers discussed here. All logos and trade names are the property of their respective owners.