This is all i found related to fuel in the website u suggested
http://needswings.com/Products.aspx?id=332D6AA8-CE8D-4BD9-93A3-A77DE5E8AAFF&sn=5C5D2516-8B9C-42DD-A024-177FFD8F2831

Unfortunately, i don't have that much knowledge in parts
i will show this page to the mechanic and c if the part we r looking for is there

Anyway, i'm still looking forward to read more from u guys and mabe someone had such a problem and can share his experience with me to know if i should order a new one or just do somthing on the current one to fix it.

Thank u guys and waiting to read more of ur helpful comments