Ford Contour with the GFI/EFI fuel conversion

I have a 1997 ford contour i Brought in New York for a Song the car runs good most of the time i have a problem in find the filler cap for the Natural Gas Fuel System i am hoping someone out there can help.
send the email to

Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
Add image file
Upload 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.